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57168246497 is a prime number
BaseRepresentation
bin110101001111011111…
…100011011011100001
312110120011010211012212
4311033133203123201
51414040032341442
642132425531505
74062453035405
oct651737433341
9173504124185
1057168246497
1122276a9180a
12b0b5643b95
135510b92abb
142aa4765105
151748d44a82
hexd4f7e36e1

57168246497 has 2 divisors, whose sum is σ = 57168246498. Its totient is φ = 57168246496.

The previous prime is 57168246461. The next prime is 57168246503. The reversal of 57168246497 is 79464286175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55179889216 + 1988357281 = 234904^2 + 44591^2 .

It is a cyclic number.

It is not a de Polignac number, because 57168246497 - 216 = 57168180961 is a prime.

It is not a weakly prime, because it can be changed into another prime (57168246407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28584123248 + 28584123249.

It is an arithmetic number, because the mean of its divisors is an integer number (28584123249).

Almost surely, 257168246497 is an apocalyptic number.

It is an amenable number.

57168246497 is a deficient number, since it is larger than the sum of its proper divisors (1).

57168246497 is an equidigital number, since it uses as much as digits as its factorization.

57168246497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20321280, while the sum is 59.

The spelling of 57168246497 in words is "fifty-seven billion, one hundred sixty-eight million, two hundred forty-six thousand, four hundred ninety-seven".