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56975225623 = 220725815689
BaseRepresentation
bin110101000011111111…
…001111001100010111
312110001200221100100121
4311003333033030113
51413141124204443
642101332452411
74054620266341
oct650377171427
9173050840317
1056975225623
1122188036328
12b060a7a107
1354acbb0374
142a86c7c291
151736e184ed
hexd43fcf317

56975225623 has 4 divisors (see below), whose sum is σ = 57001043520. Its totient is φ = 56949407728.

The previous prime is 56975225599. The next prime is 56975225663. The reversal of 56975225623 is 32652257965.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-56975225623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56975225663) 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, 12905638 + ... + 12910051.

It is an arithmetic number, because the mean of its divisors is an integer number (14250260880).

Almost surely, 256975225623 is an apocalyptic number.

56975225623 is a deficient number, since it is larger than the sum of its proper divisors (25817897).

56975225623 is a wasteful number, since it uses less digits than its factorization.

56975225623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25817896.

The product of its digits is 6804000, while the sum is 52.

The spelling of 56975225623 in words is "fifty-six billion, nine hundred seventy-five million, two hundred twenty-five thousand, six hundred twenty-three".

Divisors: 1 2207 25815689 56975225623