Base | Representation |
---|---|
bin | 10111100000100011… |
… | …11001111001001101 |
3 | 1012120120221100200212 |
4 | 23300101321321031 |
5 | 201322004110023 |
6 | 5444215132205 |
7 | 624523042610 |
oct | 136021717115 |
9 | 35516840625 |
10 | 12621160013 |
11 | 5397352360 |
12 | 2542974065 |
13 | 1261a5b827 |
14 | 87a312177 |
15 | 4dd06ce78 |
hex | 2f0479e4d |
12621160013 has 16 divisors (see below), whose sum is σ = 15758918016. Its totient is φ = 9820016640.
The previous prime is 12621160003. The next prime is 12621160049. The reversal of 12621160013 is 31006112621.
It is not a de Polignac number, because 12621160013 - 26 = 12621159949 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12621160003) 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, 69956 + ... + 173597.
It is an arithmetic number, because the mean of its divisors is an integer number (984932376).
Almost surely, 212621160013 is an apocalyptic number.
It is an amenable number.
12621160013 is a deficient number, since it is larger than the sum of its proper divisors (3137758003).
12621160013 is a wasteful number, since it uses less digits than its factorization.
12621160013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 244244.
The product of its (nonzero) digits is 432, while the sum is 23.
Adding to 12621160013 its reverse (31006112621), we get a palindrome (43627272634).
The spelling of 12621160013 in words is "twelve billion, six hundred twenty-one million, one hundred sixty thousand, thirteen".
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