Base | Representation |
---|---|
bin | 101110011010… |
… | …110011000010 |
3 | 211220012212222 |
4 | 232122303002 |
5 | 11103342021 |
6 | 1112451042 |
7 | 205300226 |
oct | 56326302 |
9 | 24805788 |
10 | 12168386 |
11 | 696131a |
12 | 40a9a82 |
13 | 26a0839 |
14 | 188a786 |
15 | 11056ab |
hex | b9acc2 |
12168386 has 4 divisors (see below), whose sum is σ = 18252582. Its totient is φ = 6084192.
The previous prime is 12168367. The next prime is 12168389. The reversal of 12168386 is 68386121.
12168386 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 11937025 + 231361 = 3455^2 + 481^2 .
It is not an unprimeable number, because it can be changed into a prime (12168389) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3042095 + ... + 3042098.
Almost surely, 212168386 is an apocalyptic number.
12168386 is a deficient number, since it is larger than the sum of its proper divisors (6084196).
12168386 is an equidigital number, since it uses as much as digits as its factorization.
12168386 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6084195.
The product of its digits is 13824, while the sum is 35.
The square root of 12168386 is about 3488.3213728096. The cubic root of 12168386 is about 230.0087331278.
The spelling of 12168386 in words is "twelve million, one hundred sixty-eight thousand, three hundred eighty-six".
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