Base | Representation |
---|---|
bin | 110001000101… |
… | …110100011000 |
3 | 220012210210111 |
4 | 301011310120 |
5 | 11243301023 |
6 | 1135454104 |
7 | 214245424 |
oct | 61056430 |
9 | 26183714 |
10 | 12868888 |
11 | 729a64a |
12 | 4387334 |
13 | 2887636 |
14 | 19cdb84 |
15 | 11e300d |
hex | c45d18 |
12868888 has 8 divisors (see below), whose sum is σ = 24129180. Its totient is φ = 6434440.
The previous prime is 12868883. The next prime is 12868897. The reversal of 12868888 is 88886821.
It is a tau number, because it is divible by the number of its divisors (8).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12868883) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 804298 + ... + 804313.
Almost surely, 212868888 is an apocalyptic number.
It is an amenable number.
12868888 is a deficient number, since it is larger than the sum of its proper divisors (11260292).
12868888 is a wasteful number, since it uses less digits than its factorization.
12868888 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1608617 (or 1608613 counting only the distinct ones).
The product of its digits is 393216, while the sum is 49.
The square root of 12868888 is about 3587.3232360633. The cubic root of 12868888 is about 234.3403137528.
The spelling of 12868888 in words is "twelve million, eight hundred sixty-eight thousand, eight hundred eighty-eight".
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