Given that 2^29 is a nine-digit number all of whose digits are distinct,
determine which of the ten digits is
missing. Provide your answer without computing the actual number.
lol, yeah, didn't think of the power of 2 thing. When I read proofs/solutions I tend to see the logic/reasoning in my head in a much more general manner and thus some of the obvious assumptions like that get lost to me.
re(3): Solution
