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56280008265 = 3513397726991
BaseRepresentation
bin110100011010100011…
…001100011001001001
312101021020202122102120
4310122203030121021
51410230140231030
641504335521453
74031446114515
oct643243143111
9171236678376
1056280008265
1121960663228
12aaa8089289
1353cbb56b50
142a1c7cb145
1516e5d8d010
hexd1a8cc649

56280008265 has 32 divisors (see below), whose sum is σ = 97219186176. Its totient is φ = 27637251840.

The previous prime is 56280008159. The next prime is 56280008273.

56280008265 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 56280008265 - 28 = 56280008009 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 286081 + ... + 440910.

It is an arithmetic number, because the mean of its divisors is an integer number (3038099568).

Almost surely, 256280008265 is an apocalyptic number.

It is an amenable number.

56280008265 is a deficient number, since it is larger than the sum of its proper divisors (40939177911).

56280008265 is a wasteful number, since it uses less digits than its factorization.

56280008265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 727409.

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 56280008265 in words is "fifty-six billion, two hundred eighty million, eight thousand, two hundred sixty-five".

Divisors: 1 3 5 13 15 39 65 195 397 1191 1985 5161 5955 15483 25805 77415 726991 2180973 3634955 9450883 10904865 28352649 47254415 141763245 288615427 865846281 1443077135 3752000551 4329231405 11256001653 18760002755 56280008265