Base | Representation |
---|---|
bin | 110001000101… |
… | …111001000100 |
3 | 220012211012121 |
4 | 301011321010 |
5 | 11243303223 |
6 | 1135455324 |
7 | 214246333 |
oct | 61057104 |
9 | 26184177 |
10 | 12869188 |
11 | 729a8a2 |
12 | 4387544 |
13 | 2887807 |
14 | 19cdd1a |
15 | 11e315d |
hex | c45e44 |
12869188 has 6 divisors (see below), whose sum is σ = 22521086. Its totient is φ = 6434592.
The previous prime is 12869177. The next prime is 12869191. The reversal of 12869188 is 88196821.
It can be written as a sum of positive squares in only one way, i.e., 11235904 + 1633284 = 3352^2 + 1278^2 .
It is an unprimeable number.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1608645 + ... + 1608652.
Almost surely, 212869188 is an apocalyptic number.
It is an amenable number.
12869188 is a deficient number, since it is larger than the sum of its proper divisors (9651898).
12869188 is a wasteful number, since it uses less digits than its factorization.
12869188 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3217301 (or 3217299 counting only the distinct ones).
The product of its digits is 55296, while the sum is 43.
The square root of 12869188 is about 3587.3650497266. The cubic root of 12869188 is about 234.3421347220.
The spelling of 12869188 in words is "twelve million, eight hundred sixty-nine thousand, one hundred eighty-eight".
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