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56627144642 = 228313572321
BaseRepresentation
bin110100101111001111…
…011010011111000010
312102011102222000000102
4310233033122133002
51411433022112032
642003020122402
74043162534105
oct645717323702
9172142860012
1056627144642
11220196019a2
12ab84396402
135455a497a3
142a5295073c
1517165ad362
hexd2f3da7c2

56627144642 has 4 divisors (see below), whose sum is σ = 84940716966. Its totient is φ = 28313572320.

The previous prime is 56627144543. The next prime is 56627144647. The reversal of 56627144642 is 24644172665.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 39033509761 + 17593634881 = 197569^2 + 132641^2 .

It is not an unprimeable number, because it can be changed into a prime (56627144647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14156786159 + ... + 14156786162.

Almost surely, 256627144642 is an apocalyptic number.

56627144642 is a deficient number, since it is larger than the sum of its proper divisors (28313572324).

56627144642 is a wasteful number, since it uses less digits than its factorization.

56627144642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28313572323.

The product of its digits is 1935360, while the sum is 47.

The spelling of 56627144642 in words is "fifty-six billion, six hundred twenty-seven million, one hundred forty-four thousand, six hundred forty-two".

Divisors: 1 2 28313572321 56627144642