Base | Representation |
---|---|
bin | 10111100110001110… |
… | …00110100100101100 |
3 | 1012200220022121110002 |
4 | 23303013012210230 |
5 | 201421134110022 |
6 | 5453033203432 |
7 | 625640555561 |
oct | 136307064454 |
9 | 35626277402 |
10 | 12668660012 |
11 | 5411145858 |
12 | 2556860578 |
13 | 126b850038 |
14 | 882758868 |
15 | 4e2302092 |
hex | 2f31c692c |
12668660012 has 12 divisors (see below), whose sum is σ = 22885321536. Its totient is φ = 6129996720.
The previous prime is 12668659967. The next prime is 12668660041. The reversal of 12668660012 is 21006686621.
12668660012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an unprimeable number.
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 3 ways as a sum of consecutive naturals, for example, 51083183 + ... + 51083430.
It is an arithmetic number, because the mean of its divisors is an integer number (1907110128).
Almost surely, 212668660012 is an apocalyptic number.
It is an amenable number.
12668660012 is a deficient number, since it is larger than the sum of its proper divisors (10216661524).
12668660012 is a wasteful number, since it uses less digits than its factorization.
12668660012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 102166648 (or 102166646 counting only the distinct ones).
The product of its (nonzero) digits is 41472, while the sum is 38.
The spelling of 12668660012 in words is "twelve billion, six hundred sixty-eight million, six hundred sixty thousand, twelve".
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