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51164062571 is a prime number
BaseRepresentation
bin101111101001100111…
…011010001101101011
311220001201012200021102
4233221213122031223
51314241000000241
635300543232015
73460615233116
oct575147321553
9156051180242
1051164062571
111a775863536
129aba8a860b
134a94c9084b
14269518757d
1514e6b8239b
hexbe99da36b

51164062571 has 2 divisors, whose sum is σ = 51164062572. Its totient is φ = 51164062570.

The previous prime is 51164062531. The next prime is 51164062589. The reversal of 51164062571 is 17526046115.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51164062571 - 26 = 51164062507 is a prime.

It is a super-2 number, since 2×511640625712 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (51164062531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25582031285 + 25582031286.

It is an arithmetic number, because the mean of its divisors is an integer number (25582031286).

Almost surely, 251164062571 is an apocalyptic number.

51164062571 is a deficient number, since it is larger than the sum of its proper divisors (1).

51164062571 is an equidigital number, since it uses as much as digits as its factorization.

51164062571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 51164062571 in words is "fifty-one billion, one hundred sixty-four million, sixty-two thousand, five hundred seventy-one".