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57164474509 is a prime number
BaseRepresentation
bin110101001111010001…
…001010100010001101
312110112220001012000121
4311033101022202031
51414033101141014
642132213024541
74062406005352
oct651721124215
9173486035017
1057164474509
112227494586a
12b0b4325151
135510171c5c
142aa4062629
15174884c124
hexd4f44a88d

57164474509 has 2 divisors, whose sum is σ = 57164474510. Its totient is φ = 57164474508.

The previous prime is 57164474461. The next prime is 57164474519. The reversal of 57164474509 is 90547446175.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54824817609 + 2339656900 = 234147^2 + 48370^2 .

It is a cyclic number.

It is not a de Polignac number, because 57164474509 - 29 = 57164473997 is a prime.

It is a super-2 number, since 2×571644745092 (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 (57164474519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28582237254 + 28582237255.

It is an arithmetic number, because the mean of its divisors is an integer number (28582237255).

Almost surely, 257164474509 is an apocalyptic number.

It is an amenable number.

57164474509 is a deficient number, since it is larger than the sum of its proper divisors (1).

57164474509 is an equidigital number, since it uses as much as digits as its factorization.

57164474509 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 57164474509 in words is "fifty-seven billion, one hundred sixty-four million, four hundred seventy-four thousand, five hundred nine".