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57597440231 is a prime number
BaseRepresentation
bin110101101001000100…
…110011000011100111
312111200001202010100002
4311221010303003213
51420424421041411
642243201011515
74106214110162
oct655104630347
9174601663302
1057597440231
1122477287381
12b1b5323b9b
13557ba863a6
142b05768ad9
15177187333b
hexd691330e7

57597440231 has 2 divisors, whose sum is σ = 57597440232. Its totient is φ = 57597440230.

The previous prime is 57597440143. The next prime is 57597440249. The reversal of 57597440231 is 13204479575.

57597440231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57597440231 is a prime.

It is a super-2 number, since 2×575974402312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57597440261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28798720115 + 28798720116.

It is an arithmetic number, because the mean of its divisors is an integer number (28798720116).

Almost surely, 257597440231 is an apocalyptic number.

57597440231 is a deficient number, since it is larger than the sum of its proper divisors (1).

57597440231 is an equidigital number, since it uses as much as digits as its factorization.

57597440231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 57597440231 in words is "fifty-seven billion, five hundred ninety-seven million, four hundred forty thousand, two hundred thirty-one".