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57117017071 is a prime number
BaseRepresentation
bin110101001100011100…
…001000001111101111
312110102120202002122201
4311030130020033233
51413433424021241
642123355522331
74061261430442
oct651434101757
9173376662581
1057117017071
1122250081344
12b0a04593a7
135503396c2a
142a9ba2b659
1517445c5931
hexd4c7083ef

57117017071 has 2 divisors, whose sum is σ = 57117017072. Its totient is φ = 57117017070.

The previous prime is 57117017063. The next prime is 57117017117. The reversal of 57117017071 is 17071071175.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57117017071 - 23 = 57117017063 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57117017071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57117018071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28558508535 + 28558508536.

It is an arithmetic number, because the mean of its divisors is an integer number (28558508536).

Almost surely, 257117017071 is an apocalyptic number.

57117017071 is a deficient number, since it is larger than the sum of its proper divisors (1).

57117017071 is an equidigital number, since it uses as much as digits as its factorization.

57117017071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12005, while the sum is 37.

The spelling of 57117017071 in words is "fifty-seven billion, one hundred seventeen million, seventeen thousand, seventy-one".