Base | Representation |
---|---|
bin | 10111111110110010… |
… | …11111110110101100 |
3 | 1020020021020001100110 |
4 | 23333121133312230 |
5 | 202331422334443 |
6 | 5525315500020 |
7 | 634023032364 |
oct | 137731376654 |
9 | 36207201313 |
10 | 12874808748 |
11 | 550754840a |
12 | 25b38b7610 |
13 | 12a247ac39 |
14 | 8a1c9b9a4 |
15 | 505473233 |
hex | 2ff65fdac |
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".
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