Base | Representation |
---|---|
bin | 10111101010011111… |
… | …10011100110001100 |
3 | 1012210101202021012100 |
4 | 23311033303212030 |
5 | 202004322333022 |
6 | 5500353235100 |
7 | 626554301655 |
oct | 136517634614 |
9 | 35711667170 |
10 | 12704496012 |
11 | 542a3a198a |
12 | 2566862a90 |
13 | 12760b9480 |
14 | 88740652c |
15 | 4e55301ac |
hex | 2f53f398c |
12704496012 has 72 divisors (see below), whose sum is σ = 35700129920. Its totient is φ = 3782972160.
The previous prime is 12704495987. The next prime is 12704496023. The reversal of 12704496012 is 21069440721.
It is a happy number.
12704496012 is a `hidden beast` number, since 1 + 2 + 7 + 0 + 4 + 49 + 601 + 2 = 666.
It is a super-2 number, since 2×127044960122 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 423337 + ... + 452352.
Almost surely, 212704496012 is an apocalyptic number.
12704496012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12704496012 is an abundant number, since it is smaller than the sum of its proper divisors (22995633908).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12704496012 is a wasteful number, since it uses less digits than its factorization.
12704496012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 875743 (or 875738 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The spelling of 12704496012 in words is "twelve billion, seven hundred four million, four hundred ninety-six thousand, twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.115 sec. • engine limits •