Base | Representation |
---|---|
bin | 101110110011… |
… | …001000110001 |
3 | 212002021122101 |
4 | 232303020301 |
5 | 11120034311 |
6 | 1114540401 |
7 | 206164000 |
oct | 56631061 |
9 | 25067571 |
10 | 12268081 |
11 | 6a1a211 |
12 | 4137701 |
13 | 2707027 |
14 | 18b4c37 |
15 | 1124ec1 |
hex | bb3231 |
12268081 has 16 divisors (see below), whose sum is σ = 14630400. Its totient is φ = 10278240.
The previous prime is 12268079. The next prime is 12268103. The reversal of 12268081 is 18086221.
12268081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12268081 - 21 = 12268079 is a prime.
It is a super-2 number, since 2×122680812 = 301011622845122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12268031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15741 + ... + 16501.
It is an arithmetic number, because the mean of its divisors is an integer number (914400).
Almost surely, 212268081 is an apocalyptic number.
It is an amenable number.
12268081 is a deficient number, since it is larger than the sum of its proper divisors (2362319).
12268081 is an frugal number, since it uses more digits than its factorization.
12268081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 829 (or 815 counting only the distinct ones).
The product of its (nonzero) digits is 1536, while the sum is 28.
The square root of 12268081 is about 3502.5820475758. The cubic root of 12268081 is about 230.6351755804.
The spelling of 12268081 in words is "twelve million, two hundred sixty-eight thousand, eighty-one".
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