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28935764512 = 25904242641
BaseRepresentation
bin11010111100101101…
…001011101000100000
32202200120202010201221
4122330231023220200
5433230023431022
621143133504424
72043024640324
oct327455135040
982616663657
1028935764512
11112a9537176
125736642114
132961a57165
141586d79984
15b454a9cc7
hex6bcb4ba20

28935764512 has 12 divisors (see below), whose sum is σ = 56967286446. Its totient is φ = 14467882240.

The previous prime is 28935764479. The next prime is 28935764519. The reversal of 28935764512 is 21546753982.

It can be written as a sum of positive squares in only one way, i.e., 26570304016 + 2365460496 = 163004^2 + 48636^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 28935764512.

It is not an unprimeable number, because it can be changed into a prime (28935764519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 452121289 + ... + 452121352.

Almost surely, 228935764512 is an apocalyptic number.

It is an amenable number.

28935764512 is a deficient number, since it is larger than the sum of its proper divisors (28031521934).

28935764512 is an equidigital number, since it uses as much as digits as its factorization.

28935764512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 904242651 (or 904242643 counting only the distinct ones).

The product of its digits is 3628800, while the sum is 52.

The spelling of 28935764512 in words is "twenty-eight billion, nine hundred thirty-five million, seven hundred sixty-four thousand, five hundred twelve".

Divisors: 1 2 4 8 16 32 904242641 1808485282 3616970564 7233941128 14467882256 28935764512