https://decimal-to-binary.com/decimal-to-binary-converter-online.html?id=66123

Transfer 10101 from binary in decimal number system

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let\'s translate to decimal like this:

1∙24+0∙23+1∙22+0∙21+1∙20 = 1∙16+0∙8+1∙4+0∙2+1∙1 = 16+0+4+0+1 = 2110

got It: 101012 =2110