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12910568026 = 2172518631753
BaseRepresentation
bin11000000011000011…
…11010001001011010
31020022202111210212011
430001201322021122
5202420101134101
65533034140134
7634636006006
oct140141721132
936282453764
1012910568026
115525751934
12260388164a
1312a99bb485
148a6929706
15508688751
hex30187a25a

12910568026 has 32 divisors (see below), whose sum is σ = 20622325248. Its totient is φ = 6040896000.

The previous prime is 12910568003. The next prime is 12910568093. The reversal of 12910568026 is 62086501921.

It is a self number, because there is not a number n which added to its sum of digits gives 12910568026.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7363966 + ... + 7365718.

It is an arithmetic number, because the mean of its divisors is an integer number (644447664).

Almost surely, 212910568026 is an apocalyptic number.

12910568026 is a deficient number, since it is larger than the sum of its proper divisors (7711757222).

12910568026 is a wasteful number, since it uses less digits than its factorization.

12910568026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2886.

The product of its (nonzero) digits is 51840, while the sum is 40.

The spelling of 12910568026 in words is "twelve billion, nine hundred ten million, five hundred sixty-eight thousand, twenty-six".

Divisors: 1 2 17 34 251 502 863 1726 1753 3506 4267 8534 14671 29342 29801 59602 216613 433226 440003 880006 1512839 3025678 3682421 7364842 7480051 14960102 25718263 51436526 379722589 759445178 6455284013 12910568026