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57107065656 = 2332379461069
BaseRepresentation
bin110101001011110110…
…001010101100111000
312110101220000111212210
4311023312022230320
51413423402100111
642122402335120
74061111022534
oct651366125470
9173356014783
1057107065656
11222454a4733
12b09905a4a0
1355012c1514
142a9a59abc4
1517437ac0a6
hexd4bd8ab38

57107065656 has 16 divisors (see below), whose sum is σ = 142767664200. Its totient is φ = 19035688544.

The previous prime is 57107065651. The next prime is 57107065663. The reversal of 57107065656 is 65656070175.

It is a super-2 number, since 2×571070656562 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57107065651) 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 in 3 ways as a sum of consecutive naturals, for example, 1189730511 + ... + 1189730558.

Almost surely, 257107065656 is an apocalyptic number.

It is an amenable number.

57107065656 is an abundant number, since it is smaller than the sum of its proper divisors (85660598544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57107065656 is a wasteful number, since it uses less digits than its factorization.

57107065656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2379461078 (or 2379461074 counting only the distinct ones).

The product of its (nonzero) digits is 1323000, while the sum is 48.

The spelling of 57107065656 in words is "fifty-seven billion, one hundred seven million, sixty-five thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 12 24 2379461069 4758922138 7138383207 9517844276 14276766414 19035688552 28553532828 57107065656