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56320679967 = 3531272789119
BaseRepresentation
bin110100011100111110…
…010110000000011111
312101101002021222111220
4310130332112000133
51410321043224332
641512351344423
74032451611066
oct643476260037
9171332258456
1056320679967
1121981612502
12aab9822113
1354073c7346
142a23d771dd
1516e9723d2c
hexd1cf9601f

56320679967 has 16 divisors (see below), whose sum is σ = 77113589760. Its totient is φ = 36548602272.

The previous prime is 56320679963. The next prime is 56320679983. The reversal of 56320679967 is 76997602365.

It is not a de Polignac number, because 56320679967 - 22 = 56320679963 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 56320679967.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56320679963) 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 15 ways as a sum of consecutive naturals, for example, 1374367 + ... + 1414752.

It is an arithmetic number, because the mean of its divisors is an integer number (4819599360).

Almost surely, 256320679967 is an apocalyptic number.

56320679967 is a deficient number, since it is larger than the sum of its proper divisors (20792909793).

56320679967 is a wasteful number, since it uses less digits than its factorization.

56320679967 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2789302.

The product of its (nonzero) digits is 25719120, while the sum is 60.

The spelling of 56320679967 in words is "fifty-six billion, three hundred twenty million, six hundred seventy-nine thousand, nine hundred sixty-seven".

Divisors: 1 3 53 127 159 381 6731 20193 2789119 8367357 147823307 354218113 443469921 1062654339 18773559989 56320679967