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12650996688 = 2431142435647
BaseRepresentation
bin10111100100000111…
…01110001111010000
31012122200002012220220
423302003232033100
5201402123343223
65451202433040
7625334461161
oct136203561720
935580065826
1012650996688
115402181070
122550962780
131267ca7375
1488027b768
154e09b36e3
hex2f20ee3d0

12650996688 has 80 divisors (see below), whose sum is σ = 35667526656. Its totient is φ = 3832053120.

The previous prime is 12650996681. The next prime is 12650996711. The reversal of 12650996688 is 88669905621.

12650996688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12650996681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237481 + ... + 2243127.

Almost surely, 212650996688 is an apocalyptic number.

It is an amenable number.

12650996688 is an abundant number, since it is smaller than the sum of its proper divisors (23016529968).

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

12650996688 is a wasteful number, since it uses less digits than its factorization.

12650996688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9912 (or 9906 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 60.

The spelling of 12650996688 in words is "twelve billion, six hundred fifty million, nine hundred ninety-six thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 132 176 264 528 4243 5647 8486 11294 12729 16941 16972 22588 25458 33882 33944 45176 46673 50916 62117 67764 67888 90352 93346 101832 124234 135528 140019 186351 186692 203664 248468 271056 280038 372702 373384 496936 560076 745404 746768 993872 1120152 1490808 2240304 2981616 23960221 47920442 71880663 95840884 143761326 191681768 263562431 287522652 383363536 527124862 575045304 790687293 1054249724 1150090608 1581374586 2108499448 3162749172 4216998896 6325498344 12650996688