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2warm

Can you convert the number 42 (base 10) to binary (base 2)?

image-1513

Convert 42 from decimal to binary:

42 -> 0010 1010

The set bits represent \(32 + 8 + 2 = 42\). Leading zeros do not change the value, so 00101010 can be written as 101010 for the answer.

The answer was picoCTF{101010}.


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