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12874808748 = 2233728997317
BaseRepresentation
bin10111111110110010…
…11111110110101100
31020020021020001100110
423333121133312230
5202331422334443
65525315500020
7634023032364
oct137731376654
936207201313
1012874808748
11550754840a
1225b38b7610
1312a247ac39
148a1c9b9a4
15505473233
hex2ff65fdac

12874808748 has 24 divisors (see below), whose sum is σ = 30853146352. Its totient is φ = 4175613504.

The previous prime is 12874808689. The next prime is 12874808801. The reversal of 12874808748 is 84780847821.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14498215 + ... + 14499102.

Almost surely, 212874808748 is an apocalyptic number.

It is an amenable number.

12874808748 is an abundant number, since it is smaller than the sum of its proper divisors (17978337604).

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

12874808748 is a wasteful number, since it uses less digits than its factorization.

12874808748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28997361 (or 28997359 counting only the distinct ones).

The product of its (nonzero) digits is 6422528, while the sum is 57.

The spelling of 12874808748 in words is "twelve billion, eight hundred seventy-four million, eight hundred eight thousand, seven hundred forty-eight".

Divisors: 1 2 3 4 6 12 37 74 111 148 222 444 28997317 57994634 86991951 115989268 173983902 347967804 1072900729 2145801458 3218702187 4291602916 6437404374 12874808748