Base | Representation |
---|---|
bin | 110000110111… |
… | …100110101100 |
3 | 220002211221012 |
4 | 300313212230 |
5 | 11234420133 |
6 | 1134324352 |
7 | 213613613 |
oct | 60674654 |
9 | 26084835 |
10 | 12810668 |
11 | 725a932 |
12 | 43596b8 |
13 | 2866ca0 |
14 | 19b687a |
15 | 11d0b48 |
hex | c379ac |
12810668 has 24 divisors (see below), whose sum is σ = 24510192. Its totient is φ = 5822784.
The previous prime is 12810667. The next prime is 12810709. The reversal of 12810668 is 86601821.
It is a super-2 number, since 2×128106682 = 328226429212448, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12810667) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1646 + ... + 5322.
It is an arithmetic number, because the mean of its divisors is an integer number (1021258).
Almost surely, 212810668 is an apocalyptic number.
It is an amenable number.
12810668 is a deficient number, since it is larger than the sum of its proper divisors (11699524).
12810668 is a wasteful number, since it uses less digits than its factorization.
12810668 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3761 (or 3759 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 12810668 is about 3579.1993518104. The cubic root of 12810668 is about 233.9863873056.
The spelling of 12810668 in words is "twelve million, eight hundred ten thousand, six hundred sixty-eight".
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