Base | Representation |
---|---|
bin | 10111101010111010… |
… | …11100110110100011 |
3 | 1012210122110222201110 |
4 | 23311131130312203 |
5 | 202011231312432 |
6 | 5501002034403 |
7 | 626626560060 |
oct | 136535346643 |
9 | 35718428643 |
10 | 12708072867 |
11 | 5431415266 |
12 | 2567aa8a03 |
13 | 1276a6c559 |
14 | 887a97c67 |
15 | 4e59d9dcc |
hex | 2f575cda3 |
12708072867 has 16 divisors (see below), whose sum is σ = 19445713920. Its totient is φ = 7231369152.
The previous prime is 12708072859. The next prime is 12708072893. The reversal of 12708072867 is 76827080721.
It is a happy number.
It is not a de Polignac number, because 12708072867 - 23 = 12708072859 is a prime.
It is a super-2 number, since 2×127080728672 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12708072367) 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, 1260978 + ... + 1271015.
It is an arithmetic number, because the mean of its divisors is an integer number (1215357120).
Almost surely, 212708072867 is an apocalyptic number.
12708072867 is a deficient number, since it is larger than the sum of its proper divisors (6737641053).
12708072867 is a wasteful number, since it uses less digits than its factorization.
12708072867 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2532242.
The product of its (nonzero) digits is 526848, while the sum is 48.
The spelling of 12708072867 in words is "twelve billion, seven hundred eight million, seventy-two thousand, eight hundred sixty-seven".
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