Base | Representation |
---|---|
bin | 10111100000011111… |
… | …11111111001011001 |
3 | 1012120112222222020110 |
4 | 23300033333321121 |
5 | 201321342112223 |
6 | 5444200314533 |
7 | 624515562012 |
oct | 136017777131 |
9 | 35515888213 |
10 | 12620660313 |
11 | 5397040988 |
12 | 2542772a49 |
13 | 1261915251 |
14 | 87a222009 |
15 | 4dcebed93 |
hex | 2f03ffe59 |
12620660313 has 16 divisors (see below), whose sum is σ = 16894676160. Its totient is φ = 8380263936.
The previous prime is 12620660293. The next prime is 12620660321. The reversal of 12620660313 is 31306602621.
It is not a de Polignac number, because 12620660313 - 25 = 12620660281 is a prime.
It is a super-2 number, since 2×126206603132 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12620660813) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1010853 + ... + 1023261.
It is an arithmetic number, because the mean of its divisors is an integer number (1055917260).
Almost surely, 212620660313 is an apocalyptic number.
It is an amenable number.
12620660313 is a deficient number, since it is larger than the sum of its proper divisors (4274015847).
12620660313 is a wasteful number, since it uses less digits than its factorization.
12620660313 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13736.
The product of its (nonzero) digits is 7776, while the sum is 30.
The spelling of 12620660313 in words is "twelve billion, six hundred twenty million, six hundred sixty thousand, three hundred thirteen".
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