Base | Representation |
---|---|
bin | 10111100100000111… |
… | …01110001111010000 |
3 | 1012122200002012220220 |
4 | 23302003232033100 |
5 | 201402123343223 |
6 | 5451202433040 |
7 | 625334461161 |
oct | 136203561720 |
9 | 35580065826 |
10 | 12650996688 |
11 | 5402181070 |
12 | 2550962780 |
13 | 1267ca7375 |
14 | 88027b768 |
15 | 4e09b36e3 |
hex | 2f20ee3d0 |
12650996688 has 80 divisors (see below), whose sum is σ = 35667526656. Its totient is φ = 3832053120.
The previous prime is 12650996681. The next prime is 12650996711. The reversal of 12650996688 is 88669905621.
12650996688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12650996681) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2237481 + ... + 2243127.
Almost surely, 212650996688 is an apocalyptic number.
It is an amenable number.
12650996688 is an abundant number, since it is smaller than the sum of its proper divisors (23016529968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12650996688 is a wasteful number, since it uses less digits than its factorization.
12650996688 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9912 (or 9906 counting only the distinct ones).
The product of its (nonzero) digits is 11197440, while the sum is 60.
The spelling of 12650996688 in words is "twelve billion, six hundred fifty million, nine hundred ninety-six thousand, six hundred eighty-eight".
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