Base | Representation |
---|---|
bin | 10111101011010101… |
… | …10010110001001100 |
3 | 1012210220001200120201 |
4 | 23311222302301030 |
5 | 202013130224013 |
6 | 5501205023244 |
7 | 630001365220 |
oct | 136552626114 |
9 | 35726050521 |
10 | 12711570508 |
11 | 543339407a |
12 | 25690b4b24 |
13 | 12776c5570 |
14 | 888328780 |
15 | 4e5e7b3dd |
hex | 2f5ab2c4c |
12711570508 has 24 divisors (see below), whose sum is σ = 27378768032. Its totient is φ = 5028753024.
The previous prime is 12711570481. The next prime is 12711570539. The reversal of 12711570508 is 80507511721.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17460585 + ... + 17461312.
Almost surely, 212711570508 is an apocalyptic number.
It is an amenable number.
12711570508 is an abundant number, since it is smaller than the sum of its proper divisors (14667197524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12711570508 is a wasteful number, since it uses less digits than its factorization.
12711570508 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34921921 (or 34921919 counting only the distinct ones).
The product of its (nonzero) digits is 19600, while the sum is 37.
The spelling of 12711570508 in words is "twelve billion, seven hundred eleven million, five hundred seventy thousand, five hundred eight".
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