Base | Representation |
---|---|
bin | 1011010111010000010111… |
… | …0100000101110100110000 |
3 | 1122020102121022102021002122 |
4 | 2311310011310011310300 |
5 | 3114201013243433423 |
6 | 42323423042133412 |
7 | 2426446603445543 |
oct | 265640564056460 |
9 | 48212538367078 |
10 | 12494157405488 |
11 | 3a878191515a0 |
12 | 1499550051268 |
13 | 6c826a264435 |
14 | 312a12c8885a |
15 | 16a005b5e8c8 |
hex | b5d05d05d30 |
12494157405488 has 40 divisors (see below), whose sum is σ = 26408316969360. Its totient is φ = 5679116963840.
The previous prime is 12494157405407. The next prime is 12494157405539. The reversal of 12494157405488 is 88450475149421.
It is a super-2 number, since 2×124941574054882 (a number of 27 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12494157405488.
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, 32378228 + ... + 32761836.
It is an arithmetic number, because the mean of its divisors is an integer number (660207924234).
Almost surely, 212494157405488 is an apocalyptic number.
It is an amenable number.
12494157405488 is an abundant number, since it is smaller than the sum of its proper divisors (13914159563872).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12494157405488 is a wasteful number, since it uses less digits than its factorization.
12494157405488 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 568685 (or 568679 counting only the distinct ones).
The product of its (nonzero) digits is 51609600, while the sum is 62.
The spelling of 12494157405488 in words is "twelve trillion, four hundred ninety-four billion, one hundred fifty-seven million, four hundred five thousand, four hundred eighty-eight".
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