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57373891172 = 22132018354667
BaseRepresentation
bin110101011011110000…
…000001101001100100
312111002111002122200022
4311123300001221210
51420000204004142
642205053334312
74100531012513
oct653360015144
9174074078608
1057373891172
112237207a694
12b152497398
135544675440
142ac3bb667a
15175be166d2
hexd5bc01a64

57373891172 has 24 divisors (see below), whose sum is σ = 108135053376. Its totient is φ = 26478461088.

The previous prime is 57373891123. The next prime is 57373891213. The reversal of 57373891172 is 27119837375.

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, 1022183 + ... + 1076849.

It is an arithmetic number, because the mean of its divisors is an integer number (4505627224).

Almost surely, 257373891172 is an apocalyptic number.

57373891172 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57373891172 is a deficient number, since it is larger than the sum of its proper divisors (50761162204).

57373891172 is a wasteful number, since it uses less digits than its factorization.

57373891172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74867 (or 74865 counting only the distinct ones).

The product of its digits is 2222640, while the sum is 53.

The spelling of 57373891172 in words is "fifty-seven billion, three hundred seventy-three million, eight hundred ninety-one thousand, one hundred seventy-two".

Divisors: 1 2 4 13 26 52 20183 40366 54667 80732 109334 218668 262379 524758 710671 1049516 1421342 2842684 1103344061 2206688122 4413376244 14343472793 28686945586 57373891172