Base | Representation |
---|---|
bin | 11000001000100111… |
… | …10111010010101010 |
3 | 1020110000021212112120 |
4 | 30010103313102222 |
5 | 203014021433322 |
6 | 5541422052110 |
7 | 636043351443 |
oct | 140423672252 |
9 | 36400255476 |
10 | 12957217962 |
11 | 554a0146a7 |
12 | 261741a036 |
13 | 12b6572aa0 |
14 | 8acbd02ca |
15 | 50c800a5c |
hex | 3044f74aa |
12957217962 has 32 divisors (see below), whose sum is σ = 27926434368. Its totient is φ = 3984182016.
The previous prime is 12957217927. The next prime is 12957217967. The reversal of 12957217962 is 26971275921.
It is not an unprimeable number, because it can be changed into a prime (12957217967) 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, 64258 + ... + 173330.
It is an arithmetic number, because the mean of its divisors is an integer number (872701074).
Almost surely, 212957217962 is an apocalyptic number.
12957217962 is an abundant number, since it is smaller than the sum of its proper divisors (14969216406).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12957217962 is a wasteful number, since it uses less digits than its factorization.
12957217962 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 110614.
The product of its digits is 952560, while the sum is 51.
The spelling of 12957217962 in words is "twelve billion, nine hundred fifty-seven million, two hundred seventeen thousand, nine hundred sixty-two".
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