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12786231150472 = 231329457271561
BaseRepresentation
bin1011101000010000011011…
…0001000000011110001000
31200021100111102200211001011
42322010012301000132020
53133442200133303342
643105525152133304
72456526504353053
oct272040661003610
950240442624034
1012786231150472
11408a67916a10a
121526082b37234
13719975c00200
14322bdd43ba9a
151728ec53d717
hexba106c40788

12786231150472 has 24 divisors (see below), whose sum is σ = 25960210437690. Its totient is φ = 5901337453440.

The previous prime is 12786231150467. The next prime is 12786231150571. The reversal of 12786231150472 is 27405113268721.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 2789213968836 + 9997017181636 = 1670094^2 + 3161806^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4728634429 + ... + 4728637132.

Almost surely, 212786231150472 is an apocalyptic number.

It is an amenable number.

12786231150472 is an abundant number, since it is smaller than the sum of its proper divisors (13173979287218).

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

12786231150472 is a wasteful number, since it uses less digits than its factorization.

12786231150472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9457271593 (or 9457271576 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 49.

The spelling of 12786231150472 in words is "twelve trillion, seven hundred eighty-six billion, two hundred thirty-one million, one hundred fifty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 9457271561 18914543122 37829086244 75658172488 122944530293 245889060586 491778121172 983556242344 1598278893809 3196557787618 6393115575236 12786231150472