Base | Representation |
---|---|
bin | 11000000100110000… |
… | …11100111010001010 |
3 | 1020100202102020020122 |
4 | 30002120130322022 |
5 | 202432231204221 |
6 | 5534304423242 |
7 | 635201356421 |
oct | 140230347212 |
9 | 36322366218 |
10 | 12924866186 |
11 | 55328282a1 |
12 | 2608617b22 |
13 | 12ac95651b |
14 | 8a87ac2b8 |
15 | 509a5eeab |
hex | 30261ce8a |
12924866186 has 16 divisors (see below), whose sum is σ = 19614578280. Its totient is φ = 6386973120.
The previous prime is 12924866183. The next prime is 12924866197. The reversal of 12924866186 is 68166842921.
It can be written as a sum of positive squares in 4 ways, for example, as 12283510561 + 641355625 = 110831^2 + 25325^2 .
It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is not an unprimeable number, because it can be changed into a prime (12924866183) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11876 + ... + 161216.
Almost surely, 212924866186 is an apocalyptic number.
12924866186 is a deficient number, since it is larger than the sum of its proper divisors (6689712094).
12924866186 is a wasteful number, since it uses less digits than its factorization.
12924866186 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 149849.
The product of its digits is 1990656, while the sum is 53.
The spelling of 12924866186 in words is "twelve billion, nine hundred twenty-four million, eight hundred sixty-six thousand, one hundred eighty-six".
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