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57286868275 = 5271390727763
BaseRepresentation
bin110101010110100100…
…000011110100110011
312110212102100102201001
4311112210003310303
51414310414241100
642152304222431
74065423226450
oct652644036463
9173772312631
1057286868275
1122327a4203a
12b12930aa17
13552c6265c0
142ab6402827
151754476d6a
hexd56903d33

57286868275 has 48 divisors (see below), whose sum is σ = 87528120064. Its totient is φ = 36219415680.

The previous prime is 57286868263. The next prime is 57286868299.

57286868275 is nontrivially palindromic in base 10.

57286868275 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57286868275 - 233 = 48696933683 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2049544 + ... + 2077306.

Almost surely, 257286868275 is an apocalyptic number.

57286868275 is a deficient number, since it is larger than the sum of its proper divisors (30241251789).

57286868275 is a wasteful number, since it uses less digits than its factorization.

57286868275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28700 (or 28695 counting only the distinct ones).

The product of its digits is 90316800, while the sum is 64.

The spelling of 57286868275 in words is "fifty-seven billion, two hundred eighty-six million, eight hundred sixty-eight thousand, two hundred seventy-five".

Divisors: 1 5 7 13 25 35 65 91 175 325 455 907 2275 4535 6349 11791 22675 27763 31745 58955 82537 138815 158725 194341 294775 360919 412685 694075 971705 1804595 2063425 2526433 4858525 9022975 12632165 25181041 63160825 125905205 176267287 327353533 629526025 881336435 1636767665 2291474731 4406682175 8183838325 11457373655 57286868275