let\'s translate to decimal like this:
1∙279+2∙278+3∙277+4∙276+5∙275+6∙274+7∙273+8∙272+9∙271+0∙270 = 1∙7625597484987+2∙282429536481+3∙10460353203+4∙387420489+5∙14348907+6∙531441+7∙19683+8∙729+9∙27+0∙1 = 7625597484987+564859072962+31381059609+1549681956+71744535+3188646+137781+5832+243+0 = 822346237655110
got It: 123456789027 =822346237655110
Translate the number 822346237655110 в octal like this:
the Integer part of the number is divided by the base of the new number system:
8223462376551 | 8 | | | | | | | | | | | | | | |
-8223462376544 | 1027932797068 | 8 | | | | | | | | | | | | | |
7 | -1027932797064 | 128491599633 | 8 | | | | | | | | | | | | |
| 4 | -128491599632 | 16061449954 | 8 | | | | | | | | | | | |
| | 1 | -16061449952 | 2007681244 | 8 | | | | | | | | | | |
| | | 2 | -2007681240 | 250960155 | 8 | | | | | | | | | |
| | | | 4 | -250960152 | 31370019 | 8 | | | | | | | | |
| | | | | 3 | -31370016 | 3921252 | 8 | | | | | | | |
| | | | | | 3 | -3921248 | 490156 | 8 | | | | | | |
| | | | | | | 4 | -490152 | 61269 | 8 | | | | | |
| | | | | | | | 4 | -61264 | 7658 | 8 | | | | |
| | | | | | | | | 5 | -7656 | 957 | 8 | | | |
| | | | | | | | | | 2 | -952 | 119 | 8 | | |
| | | | | | | | | | | 5 | -112 | 14 | 8 | |
| | | | | | | | | | | | 7 | -8 | 1 | |
| | | | | | | | | | | | | 6 | | |
 |
the result of the conversion was:
822346237655110 = 1675254433421478
answer: 123456789027 = 1675254433421478