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57399087264 = 2532572326487
BaseRepresentation
bin110101011101010000…
…001001000010100000
312111011020111202012220
4311131100021002200
51420023131243024
642211353351040
74101255122511
oct653520110240
9174136452186
1057399087264
1122385319902
12b15aa08480
13554995797c
142ac7294a08
15175e241e79
hexd5d4090a0

57399087264 has 48 divisors (see below), whose sum is σ = 151258943808. Its totient is φ = 19058573312.

The previous prime is 57399087233. The next prime is 57399087289. The reversal of 57399087264 is 46278099375.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 57399087198 and 57399087207.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1138572 + ... + 1187915.

It is an arithmetic number, because the mean of its divisors is an integer number (3151227996).

Almost surely, 257399087264 is an apocalyptic number.

It is an amenable number.

57399087264 is an abundant number, since it is smaller than the sum of its proper divisors (93859856544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57399087264 is a wasteful number, since it uses less digits than its factorization.

57399087264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2326757 (or 2326749 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 60.

The spelling of 57399087264 in words is "fifty-seven billion, three hundred ninety-nine million, eighty-seven thousand, two hundred sixty-four".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 257 514 771 1028 1542 2056 3084 4112 6168 8224 12336 24672 2326487 4652974 6979461 9305948 13958922 18611896 27917844 37223792 55835688 74447584 111671376 223342752 597907159 1195814318 1793721477 2391628636 3587442954 4783257272 7174885908 9566514544 14349771816 19133029088 28699543632 57399087264