Base | Representation |
---|---|
bin | 110001001010… |
… | …110000010000 |
3 | 220020211112020 |
4 | 301022300100 |
5 | 11244422404 |
6 | 1140131440 |
7 | 214361364 |
oct | 61126020 |
9 | 26224466 |
10 | 12889104 |
11 | 7303858 |
12 | 4396b80 |
13 | 28938b7 |
14 | 19d72a4 |
15 | 11e8ed9 |
hex | c4ac10 |
12889104 has 40 divisors (see below), whose sum is σ = 33456192. Its totient is φ = 4275840.
The previous prime is 12889091. The next prime is 12889109. The reversal of 12889104 is 40198821.
It is a super-2 number, since 2×128891042 = 332258003845632, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12889109) 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, 12114 + ... + 13134.
Almost surely, 212889104 is an apocalyptic number.
It is an amenable number.
12889104 is an abundant number, since it is smaller than the sum of its proper divisors (20567088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12889104 is a wasteful number, since it uses less digits than its factorization.
12889104 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1295 (or 1289 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 33.
The square root of 12889104 is about 3590.1398301459. The cubic root of 12889104 is about 234.4629595541.
The spelling of 12889104 in words is "twelve million, eight hundred eighty-nine thousand, one hundred four".
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