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57255687716131 is a prime number
BaseRepresentation
bin11010000010010111000001…
…11011010111110100100011
321111201120221022200000101101
431001023200323113310203
530001034122023404011
6321434522210015231
715026405213416012
oct1501134073276443
9244646838600341
1057255687716131
1117275001076a23
126508651b77517
1325c425a597198
14101d2937b0a79
156945426772c1
hex3412e0ed7d23

57255687716131 has 2 divisors, whose sum is σ = 57255687716132. Its totient is φ = 57255687716130.

The previous prime is 57255687716111. The next prime is 57255687716221. The reversal of 57255687716131 is 13161778655275.

57255687716131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57255687716131 - 223 = 57255679327523 is a prime.

It is a super-2 number, since 2×572556877161312 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (57255687716111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28627843858065 + 28627843858066.

It is an arithmetic number, because the mean of its divisors is an integer number (28627843858066).

Almost surely, 257255687716131 is an apocalyptic number.

57255687716131 is a deficient number, since it is larger than the sum of its proper divisors (1).

57255687716131 is an equidigital number, since it uses as much as digits as its factorization.

57255687716131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 74088000, while the sum is 64.

The spelling of 57255687716131 in words is "fifty-seven trillion, two hundred fifty-five billion, six hundred eighty-seven million, seven hundred sixteen thousand, one hundred thirty-one".