Base | Representation |
---|---|
bin | 10111100100000110… |
… | …11111001010111000 |
3 | 1012122122222002020222 |
4 | 23302003133022320 |
5 | 201402114404333 |
6 | 5451201235212 |
7 | 625334113220 |
oct | 136203371270 |
9 | 35578862228 |
10 | 12650934968 |
11 | 5402139761 |
12 | 2550932b08 |
13 | 1267c85249 |
14 | 880263080 |
15 | 4e09a0298 |
hex | 2f20df2b8 |
12650934968 has 64 divisors (see below), whose sum is σ = 27304516800. Its totient is φ = 5382881280.
The previous prime is 12650934953. The next prime is 12650934971. The reversal of 12650934968 is 86943905621.
It is a super-2 number, since 2×126509349682 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7070618 + ... + 7072406.
It is an arithmetic number, because the mean of its divisors is an integer number (426633075).
Almost surely, 212650934968 is an apocalyptic number.
It is an amenable number.
12650934968 is an abundant number, since it is smaller than the sum of its proper divisors (14653581832).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12650934968 is a wasteful number, since it uses less digits than its factorization.
12650934968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2640 (or 2636 counting only the distinct ones).
The product of its (nonzero) digits is 2799360, while the sum is 53.
The spelling of 12650934968 in words is "twelve billion, six hundred fifty million, nine hundred thirty-four thousand, nine hundred sixty-eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.099 sec. • engine limits •