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12655252434 = 23111019188171
BaseRepresentation
bin10111100100100111…
…11101001111010010
31012122222002102201010
423302103331033102
5201404221034214
65451433551350
7625415604456
oct136223751722
935588072633
1012655252434
115404618510
122552275556
131268b37466
14880a68666
154e1054659
hex2f24fd3d2

12655252434 has 32 divisors (see below), whose sum is σ = 27638703360. Its totient is φ = 3831141200.

The previous prime is 12655252399. The next prime is 12655252457. The reversal of 12655252434 is 43425255621.

It is a junction number, because it is equal to n+sod(n) for n = 12655252392 and 12655252401.

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, 26832 + ... + 161339.

It is an arithmetic number, because the mean of its divisors is an integer number (863709480).

Almost surely, 212655252434 is an apocalyptic number.

12655252434 is an abundant number, since it is smaller than the sum of its proper divisors (14983450926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12655252434 is a wasteful number, since it uses less digits than its factorization.

12655252434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189206.

The product of its digits is 288000, while the sum is 39.

The spelling of 12655252434 in words is "twelve billion, six hundred fifty-five million, two hundred fifty-two thousand, four hundred thirty-four".

Divisors: 1 2 3 6 11 22 33 66 1019 2038 3057 6114 11209 22418 33627 67254 188171 376342 564513 1129026 2069881 4139762 6209643 12419286 191746249 383492498 575238747 1150477494 2109208739 4218417478 6327626217 12655252434