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56258382693 = 3171318420653
BaseRepresentation
bin110100011001010000…
…101100101101100101
312101012202001221201110
4310121100230231211
51410204121221233
641502244215233
74031064235302
oct643120545545
9171182057643
1056258382693
112194a432657
12aaa099a519
1353c7524856
142a1999c0a9
1516e401a663
hexd1942cb65

56258382693 has 16 divisors (see below), whose sum is σ = 80029895616. Its totient is φ = 35029912320.

The previous prime is 56258382679. The next prime is 56258382701. The reversal of 56258382693 is 39628385265.

It is not a de Polignac number, because 56258382693 - 212 = 56258378597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56258382613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4203646 + ... + 4217007.

It is an arithmetic number, because the mean of its divisors is an integer number (5001868476).

Almost surely, 256258382693 is an apocalyptic number.

It is an amenable number.

56258382693 is a deficient number, since it is larger than the sum of its proper divisors (23771512923).

56258382693 is a wasteful number, since it uses less digits than its factorization.

56258382693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8420804.

The product of its digits is 18662400, while the sum is 57.

The spelling of 56258382693 in words is "fifty-six billion, two hundred fifty-eight million, three hundred eighty-two thousand, six hundred ninety-three".

Divisors: 1 3 17 51 131 393 2227 6681 8420653 25261959 143151101 429453303 1103105543 3309316629 18752794231 56258382693