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57162056873 is a prime number
BaseRepresentation
bin110101001111000111…
…111100010010101001
312110112201111100122112
4311033013330102221
51414031441304443
642132045132105
74062346316015
oct651707742251
9173481440575
1057162056873
1122273544419
12b0b355a035
13550c8066bc
142aa39d3545
151748520b18
hexd4f1fc4a9

57162056873 has 2 divisors, whose sum is σ = 57162056874. Its totient is φ = 57162056872.

The previous prime is 57162056843. The next prime is 57162056881. The reversal of 57162056873 is 37865026175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50756935849 + 6405121024 = 225293^2 + 80032^2 .

It is a cyclic number.

It is not a de Polignac number, because 57162056873 - 28 = 57162056617 is a prime.

It is not a weakly prime, because it can be changed into another prime (57162056813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28581028436 + 28581028437.

It is an arithmetic number, because the mean of its divisors is an integer number (28581028437).

Almost surely, 257162056873 is an apocalyptic number.

It is an amenable number.

57162056873 is a deficient number, since it is larger than the sum of its proper divisors (1).

57162056873 is an equidigital number, since it uses as much as digits as its factorization.

57162056873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 57162056873 in words is "fifty-seven billion, one hundred sixty-two million, fifty-six thousand, eight hundred seventy-three".