Base | Representation |
---|---|
bin | 110000110111… |
… | …100111000101 |
3 | 220002211222010 |
4 | 300313213011 |
5 | 11234420233 |
6 | 1134324433 |
7 | 213613650 |
oct | 60674705 |
9 | 26084863 |
10 | 12810693 |
11 | 725a955 |
12 | 4359719 |
13 | 2866cbc |
14 | 19b6897 |
15 | 11d0b63 |
hex | c379c5 |
12810693 has 32 divisors (see below), whose sum is σ = 20823040. Its totient is φ = 6842880.
The previous prime is 12810667. The next prime is 12810709. The reversal of 12810693 is 39601821.
It is not a de Polignac number, because 12810693 - 28 = 12810437 is a prime.
It is a super-2 number, since 2×128106932 = 328227710280498, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 12810693.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12810293) 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 31 ways as a sum of consecutive naturals, for example, 38538 + ... + 38868.
It is an arithmetic number, because the mean of its divisors is an integer number (650720).
Almost surely, 212810693 is an apocalyptic number.
It is an amenable number.
12810693 is a deficient number, since it is larger than the sum of its proper divisors (8012347).
12810693 is a wasteful number, since it uses less digits than its factorization.
12810693 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 457.
The product of its (nonzero) digits is 2592, while the sum is 30.
The square root of 12810693 is about 3579.2028442099. The cubic root of 12810693 is about 233.9865395135.
The spelling of 12810693 in words is "twelve million, eight hundred ten thousand, six hundred ninety-three".
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