Base | Representation |
---|---|
bin | 10111000101101010… |
… | …10101010001001000 |
3 | 1011222212110000002200 |
4 | 23202311111101020 |
5 | 200341231104102 |
6 | 5410000000200 |
7 | 616113400554 |
oct | 134265252110 |
9 | 34885400080 |
10 | 12395566152 |
11 | 5290a79352 |
12 | 249b300060 |
13 | 12270b2c38 |
14 | 85838a864 |
15 | 4c835a51c |
hex | 2e2d55448 |
12395566152 has 36 divisors (see below), whose sum is σ = 33573883785. Its totient is φ = 4131540480.
The previous prime is 12395566147. The next prime is 12395566187. The reversal of 12395566152 is 25166559321.
It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.
12395566152 is a `hidden beast` number, since 1 + 2 + 39 + 5 + 566 + 1 + 52 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 10513221156 + 1882344996 = 102534^2 + 43386^2 .
It is a tau number, because it is divible by the number of its divisors (36).
It is an ABA number since it can be written as A⋅BA, here for A=2, B=78726.
It is a junction number, because it is equal to n+sod(n) for n = 12395566098 and 12395566107.
It is an unprimeable number.
It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 938152 + ... + 951272.
Almost surely, 212395566152 is an apocalyptic number.
12395566152 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12395566152 is an abundant number, since it is smaller than the sum of its proper divisors (21178317633).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12395566152 is an frugal number, since it uses more digits than its factorization.
12395566152 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26254 (or 13126 counting only the distinct ones).
The product of its digits is 486000, while the sum is 45.
The spelling of 12395566152 in words is "twelve billion, three hundred ninety-five million, five hundred sixty-six thousand, one hundred fifty-two".
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