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56955358623 = 3311255348787
BaseRepresentation
bin110101000010110011…
…011100110110011111
312110000022112222221210
4311002303130312133
51413121032433443
642055342555503
74054256363142
oct650263346637
9173008488853
1056955358623
11221778a6a19
12b056298b93
1354a8a45647
142a8438a059
1517352e1c33
hexd42cdcd9f

56955358623 has 16 divisors (see below), whose sum is σ = 78398022656. Its totient is φ = 36741712320.

The previous prime is 56955358573. The next prime is 56955358631. The reversal of 56955358623 is 32685355965.

It is not a de Polignac number, because 56955358623 - 214 = 56955342239 is a prime.

It is a super-2 number, since 2×569553586232 (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56955358423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1143036 + ... + 1191822.

It is an arithmetic number, because the mean of its divisors is an integer number (4899876416).

Almost surely, 256955358623 is an apocalyptic number.

56955358623 is a deficient number, since it is larger than the sum of its proper divisors (21442664033).

56955358623 is a wasteful number, since it uses less digits than its factorization.

56955358623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61374.

The product of its digits is 29160000, while the sum is 57.

The spelling of 56955358623 in words is "fifty-six billion, nine hundred fifty-five million, three hundred fifty-eight thousand, six hundred twenty-three".

Divisors: 1 3 31 93 12553 37659 48787 146361 389143 1167429 1512397 4537191 612423211 1837269633 18985119541 56955358623