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56268584101 = 72277778513
BaseRepresentation
bin110100011001110111…
…100111010010100101
312101020110021020102101
4310121313213102211
51410214224142401
641503251012101
74031250034102
oct643167472245
9171213236371
1056268584101
1121955170074
12aaa429a031
1353c9686ca2
142a1b095aa9
1516e4d83101
hexd19de74a5

56268584101 has 4 divisors (see below), whose sum is σ = 56269434892. Its totient is φ = 56267733312.

The previous prime is 56268584081. The next prime is 56268584123. The reversal of 56268584101 is 10148586265.

It is a Cunningham number, because it is equal to 2372102+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10148586265 = 52029717253.

It can be written as a sum of positive squares in 2 ways, for example, as 51631655076 + 4636929025 = 227226^2 + 68095^2 .

It is a cyclic number.

It is not a de Polignac number, because 56268584101 - 215 = 56268551333 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 (56268584201) 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, 316980 + ... + 461533.

It is an arithmetic number, because the mean of its divisors is an integer number (14067358723).

Almost surely, 256268584101 is an apocalyptic number.

It is an amenable number.

56268584101 is a deficient number, since it is larger than the sum of its proper divisors (850791).

56268584101 is an equidigital number, since it uses as much as digits as its factorization.

56268584101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850790.

The product of its (nonzero) digits is 460800, while the sum is 46.

The spelling of 56268584101 in words is "fifty-six billion, two hundred sixty-eight million, five hundred eighty-four thousand, one hundred one".

Divisors: 1 72277 778513 56268584101