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57157802307 = 332116955641
BaseRepresentation
bin110101001110110111…
…101101100101000011
312110112102111012111000
4311032313231211003
51414024344133212
642131414023043
74062265206024
oct651667554503
9173472435430
1057157802307
11222710a8951
12b0b2047a83
13550b976cc8
142aa3206c4b
151747e801dc
hexd4eded943

57157802307 has 8 divisors (see below), whose sum is σ = 84678225680. Its totient is φ = 38105201520.

The previous prime is 57157802281. The next prime is 57157802323. The reversal of 57157802307 is 70320875175.

57157802307 is a `hidden beast` number, since 5 + 71 + 578 + 0 + 2 + 3 + 0 + 7 = 666.

It is not a de Polignac number, because 57157802307 - 26 = 57157802243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57157802357) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1058477794 + ... + 1058477847.

It is an arithmetic number, because the mean of its divisors is an integer number (10584778210).

Almost surely, 257157802307 is an apocalyptic number.

57157802307 is a deficient number, since it is larger than the sum of its proper divisors (27520423373).

57157802307 is a wasteful number, since it uses less digits than its factorization.

57157802307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2116955650 (or 2116955644 counting only the distinct ones).

The product of its (nonzero) digits is 411600, while the sum is 45.

The spelling of 57157802307 in words is "fifty-seven billion, one hundred fifty-seven million, eight hundred two thousand, three hundred seven".

Divisors: 1 3 9 27 2116955641 6350866923 19052600769 57157802307