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12900943752 = 233537539323
BaseRepresentation
bin11000000001111010…
…01100011110001000
31020022002101211211120
430000331030132020
5202410120200002
65532051555240
7634461132624
oct140075143610
936262354746
1012900943752
115520278a94
1226005bbb20
1312a79cb938
148a5542184
155078d6cbc
hex300f4c788

12900943752 has 16 divisors (see below), whose sum is σ = 32252359440. Its totient is φ = 4300314576.

The previous prime is 12900943751. The next prime is 12900943793. The reversal of 12900943752 is 25734900921.

It is not an unprimeable number, because it can be changed into a prime (12900943751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 268769638 + ... + 268769685.

It is an arithmetic number, because the mean of its divisors is an integer number (2015772465).

Almost surely, 212900943752 is an apocalyptic number.

12900943752 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12900943752 is an abundant number, since it is smaller than the sum of its proper divisors (19351415688).

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

12900943752 is a wasteful number, since it uses less digits than its factorization.

12900943752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 537539332 (or 537539328 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 42.

The spelling of 12900943752 in words is "twelve billion, nine hundred million, nine hundred forty-three thousand, seven hundred fifty-two".

Divisors: 1 2 3 4 6 8 12 24 537539323 1075078646 1612617969 2150157292 3225235938 4300314584 6450471876 12900943752