Base | Representation |
---|---|
bin | 10111010100100011… |
… | …11110101000001011 |
3 | 1012022120120010012210 |
4 | 23222101332220023 |
5 | 201120223003412 |
6 | 5430222040203 |
7 | 622161426261 |
oct | 135221765013 |
9 | 35276503183 |
10 | 12520516107 |
11 | 5345561080 |
12 | 2515119063 |
13 | 1246c50c18 |
14 | 86abd4431 |
15 | 4d42dc83c |
hex | 2ea47ea0b |
12520516107 has 16 divisors (see below), whose sum is σ = 18355064832. Its totient is φ = 7528439520.
The previous prime is 12520516093. The next prime is 12520516139. The reversal of 12520516107 is 70161502521.
It is not a de Polignac number, because 12520516107 - 24 = 12520516091 is a prime.
It is not an unprimeable number, because it can be changed into a prime (12520516007) 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, 1489548 + ... + 1497929.
It is an arithmetic number, because the mean of its divisors is an integer number (1147191552).
Almost surely, 212520516107 is an apocalyptic number.
12520516107 is a deficient number, since it is larger than the sum of its proper divisors (5834548725).
12520516107 is a wasteful number, since it uses less digits than its factorization.
12520516107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2987618.
The product of its (nonzero) digits is 4200, while the sum is 30.
The spelling of 12520516107 in words is "twelve billion, five hundred twenty million, five hundred sixteen thousand, one hundred seven".
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