Base | Representation |
---|---|
bin | 110001000101… |
… | …111111000000 |
3 | 220012211201200 |
4 | 301011333000 |
5 | 11243311233 |
6 | 1135501200 |
7 | 214250415 |
oct | 61057700 |
9 | 26184650 |
10 | 12869568 |
11 | 72a0108 |
12 | 4387800 |
13 | 2887a3a |
14 | 19d010c |
15 | 11e3313 |
hex | c45fc0 |
12869568 has 42 divisors (see below), whose sum is σ = 36889944. Its totient is φ = 4289664.
The previous prime is 12869567. The next prime is 12869573. The reversal of 12869568 is 86596821.
12869568 is a `hidden beast` number, since 1 + 2 + 86 + 9 + 568 = 666.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12869567) by changing a digit.
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 in 5 ways as a sum of consecutive naturals, for example, 10596 + ... + 11747.
It is an arithmetic number, because the mean of its divisors is an integer number (878332).
Almost surely, 212869568 is an apocalyptic number.
12869568 is a gapful number since it is divisible by the number (18) formed by its first and last digit.
It is an amenable number.
12869568 is an abundant number, since it is smaller than the sum of its proper divisors (24020376).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12869568 is a wasteful number, since it uses less digits than its factorization.
12869568 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22361 (or 22348 counting only the distinct ones).
The product of its digits is 207360, while the sum is 45.
The square root of 12869568 is about 3587.4180130004. The cubic root of 12869568 is about 234.3444412425.
It can be divided in two parts, 128 and 69568, that added together give a palindrome (69696).
The spelling of 12869568 in words is "twelve million, eight hundred sixty-nine thousand, five hundred sixty-eight".
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