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57126763704 = 23322717835881
BaseRepresentation
bin110101001101000001…
…010011110010111000
312110110021002021112010
4311031001103302320
51413443422414304
642124344445520
74061440323333
oct651501236270
9173407067463
1057126763704
112225562910a
12b0a37798a0
1355053ca37a
142a9d04761a
15174539d789
hexd4d053cb8

57126763704 has 64 divisors (see below), whose sum is σ = 143550915840. Its totient is φ = 18944513280.

The previous prime is 57126763691. The next prime is 57126763723. The reversal of 57126763704 is 40736762175.

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 9710844 + ... + 9716724.

It is an arithmetic number, because the mean of its divisors is an integer number (2242983060).

Almost surely, 257126763704 is an apocalyptic number.

It is an amenable number.

57126763704 is an abundant number, since it is smaller than the sum of its proper divisors (86424152136).

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

57126763704 is a wasteful number, since it uses less digits than its factorization.

57126763704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7900 (or 7896 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 48.

The spelling of 57126763704 in words is "fifty-seven billion, one hundred twenty-six million, seven hundred sixty-three thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 12 24 227 454 681 908 1362 1783 1816 2724 3566 5349 5448 5881 7132 10698 11762 14264 17643 21396 23524 35286 42792 47048 70572 141144 404741 809482 1214223 1334987 1618964 2428446 2669974 3237928 4004961 4856892 5339948 8009922 9713784 10485823 10679896 16019844 20971646 31457469 32039688 41943292 62914938 83886584 125829876 251659752 2380281821 4760563642 7140845463 9521127284 14281690926 19042254568 28563381852 57126763704