Search a number
-
+
57276566057 = 151379315007
BaseRepresentation
bin110101010101111100…
…110000101000101001
312110211200222000201102
4311111330300220221
51414300300103212
642151255331145
74065236531024
oct652574605051
9173750860642
1057276566057
1122322145907
12b125980ab5
13552a45a309
142ab4cc01bb
1517535de5c2
hexd55f30a29

57276566057 has 4 divisors (see below), whose sum is σ = 57655881216. Its totient is φ = 56897250900.

The previous prime is 57276566023. The next prime is 57276566089. The reversal of 57276566057 is 75066567275.

57276566057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-57276566057 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57276565993 and 57276566011.

It is not an unprimeable number, because it can be changed into a prime (57276566257) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 189657353 + ... + 189657654.

It is an arithmetic number, because the mean of its divisors is an integer number (14413970304).

Almost surely, 257276566057 is an apocalyptic number.

It is an amenable number.

57276566057 is a deficient number, since it is larger than the sum of its proper divisors (379315159).

57276566057 is a wasteful number, since it uses less digits than its factorization.

57276566057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379315158.

The product of its (nonzero) digits is 18522000, while the sum is 56.

The spelling of 57276566057 in words is "fifty-seven billion, two hundred seventy-six million, five hundred sixty-six thousand, fifty-seven".

Divisors: 1 151 379315007 57276566057