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57905685128 = 2396712895807
BaseRepresentation
bin110101111011011100…
…101010001010001000
312112110112202120211202
4311323130222022020
51422042323411003
642333531443332
74116646126304
oct657334521210
9175415676752
1057905685128
1122615282325
12b2805b6548
1355ca8acc15
142b34686d04
15178d960088
hexd7b72a288

57905685128 has 32 divisors (see below), whose sum is σ = 108788486400. Its totient is φ = 28895486592.

The previous prime is 57905685037. The next prime is 57905685143. The reversal of 57905685128 is 82158650975.

57905685128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9968801 + ... + 9974607.

It is an arithmetic number, because the mean of its divisors is an integer number (3399640200).

Almost surely, 257905685128 is an apocalyptic number.

It is an amenable number.

57905685128 is a deficient number, since it is larger than the sum of its proper divisors (50882801272).

57905685128 is a wasteful number, since it uses less digits than its factorization.

57905685128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8069 (or 8065 counting only the distinct ones).

The product of its (nonzero) digits is 6048000, while the sum is 56.

The spelling of 57905685128 in words is "fifty-seven billion, nine hundred five million, six hundred eighty-five thousand, one hundred twenty-eight".

Divisors: 1 2 4 8 967 1289 1934 2578 3868 5156 5807 7736 10312 11614 23228 46456 1246463 2492926 4985852 5615369 7485223 9971704 11230738 14970446 22461476 29940892 44922952 59881784 7238210641 14476421282 28952842564 57905685128