Base | Representation |
---|---|
bin | 101110000110… |
… | …111100101000 |
3 | 211202002100122 |
4 | 232012330220 |
5 | 11043241310 |
6 | 1111022412 |
7 | 204511205 |
oct | 56067450 |
9 | 24662318 |
10 | 12087080 |
11 | 6906225 |
12 | 406aa08 |
13 | 2672825 |
14 | 1868cac |
15 | 10db555 |
hex | b86f28 |
12087080 has 32 divisors (see below), whose sum is σ = 27297000. Its totient is φ = 4816896.
The previous prime is 12087077. The next prime is 12087083. The reversal of 12087080 is 8078021.
12087080 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is an interprime number because it is at equal distance from previous prime (12087077) and next prime (12087083).
It can be written as a sum of positive squares in 4 ways, for example, as 9351364 + 2735716 = 3058^2 + 1654^2 .
It is not an unprimeable number, because it can be changed into a prime (12087083) 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, 17624 + ... + 18296.
Almost surely, 212087080 is an apocalyptic number.
12087080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12087080 is an abundant number, since it is smaller than the sum of its proper divisors (15209920).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12087080 is a wasteful number, since it uses less digits than its factorization.
12087080 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1133 (or 1129 counting only the distinct ones).
The product of its (nonzero) digits is 896, while the sum is 26.
The square root of 12087080 is about 3476.6478107510. The cubic root of 12087080 is about 229.4953016475.
The spelling of 12087080 in words is "twelve million, eighty-seven thousand, eighty".
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