Base | Representation |
---|---|
bin | 110001001101… |
… | …100100111100 |
3 | 220021102101112 |
4 | 301031210330 |
5 | 11300310133 |
6 | 1140301152 |
7 | 214440164 |
oct | 61154474 |
9 | 26242345 |
10 | 12900668 |
11 | 7311510 |
12 | 43a17b8 |
13 | 2898c41 |
14 | 19db5a4 |
15 | 11ec648 |
hex | c4d93c |
12900668 has 24 divisors (see below), whose sum is σ = 24721200. Its totient is φ = 5841920.
The previous prime is 12900661. The next prime is 12900683. The reversal of 12900668 is 86600921.
12900668 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 (12900661) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19430 + ... + 20082.
It is an arithmetic number, because the mean of its divisors is an integer number (1030050).
Almost surely, 212900668 is an apocalyptic number.
It is an amenable number.
12900668 is a deficient number, since it is larger than the sum of its proper divisors (11820532).
12900668 is a wasteful number, since it uses less digits than its factorization.
12900668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1117 (or 1115 counting only the distinct ones).
The product of its (nonzero) digits is 5184, while the sum is 32.
The square root of 12900668 is about 3591.7499912995. The cubic root of 12900668 is about 234.5330580188.
The spelling of 12900668 in words is "twelve million, nine hundred thousand, six hundred sixty-eight".
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