Base | Representation |
---|---|
bin | 101110001100… |
… | …110010001011 |
3 | 211210022011002 |
4 | 232030302023 |
5 | 11100022422 |
6 | 1111325215 |
7 | 204641000 |
oct | 56146213 |
9 | 24708132 |
10 | 12110987 |
11 | 6922189 |
12 | 408080b |
13 | 2680685 |
14 | 18738a7 |
15 | 10e3692 |
hex | b8cc8b |
12110987 has 32 divisors (see below), whose sum is σ = 15667200. Its totient is φ = 9313920.
The previous prime is 12110971. The next prime is 12111017. The reversal of 12110987 is 78901121.
12110987 is nontrivially palindromic in base 16.
12110987 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12110987 - 24 = 12110971 is a prime.
It is a super-2 number, since 2×121109872 = 293352012228338, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12110927) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 180728 + ... + 180794.
It is an arithmetic number, because the mean of its divisors is an integer number (489600).
Almost surely, 212110987 is an apocalyptic number.
12110987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.
12110987 is a deficient number, since it is larger than the sum of its proper divisors (3556213).
12110987 is an equidigital number, since it uses as much as digits as its factorization.
12110987 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 136 (or 122 counting only the distinct ones).
The product of its (nonzero) digits is 1008, while the sum is 29.
The square root of 12110987 is about 3480.0843380585. The cubic root of 12110987 is about 229.6465080286.
The spelling of 12110987 in words is "twelve million, one hundred ten thousand, nine hundred eighty-seven".
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