Base | Representation |
---|---|
bin | 110001110110… |
… | …101001000100 |
3 | 220120222010011 |
4 | 301312221010 |
5 | 11321200433 |
6 | 1144040004 |
7 | 216040441 |
oct | 61665104 |
9 | 26528104 |
10 | 13068868 |
11 | 741691a |
12 | 4463004 |
13 | 2927677 |
14 | 1a429c8 |
15 | 12323cd |
hex | c76a44 |
13068868 has 6 divisors (see below), whose sum is σ = 22870526. Its totient is φ = 6534432.
The previous prime is 13068859. The next prime is 13068871. The reversal of 13068868 is 86886031.
It can be written as a sum of positive squares in only one way, i.e., 12830724 + 238144 = 3582^2 + 488^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 13068868.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1633605 + ... + 1633612.
Almost surely, 213068868 is an apocalyptic number.
It is an amenable number.
13068868 is a deficient number, since it is larger than the sum of its proper divisors (9801658).
13068868 is a wasteful number, since it uses less digits than its factorization.
13068868 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3267221 (or 3267219 counting only the distinct ones).
The product of its (nonzero) digits is 55296, while the sum is 40.
The square root of 13068868 is about 3615.0889338991. The cubic root of 13068868 is about 235.5479472577.
Subtracting from 13068868 its sum of digits (40), we obtain a triangular number (13068828 = T5112).
The spelling of 13068868 in words is "thirteen million, sixty-eight thousand, eight hundred sixty-eight".
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