Base | Representation |
---|---|
bin | 101110010001… |
… | …110010001010 |
3 | 211211100020120 |
4 | 232101302022 |
5 | 11101201331 |
6 | 1112004110 |
7 | 205054464 |
oct | 56216212 |
9 | 24740216 |
10 | 12131466 |
11 | 6936606 |
12 | 4090636 |
13 | 2689aa9 |
14 | 187b134 |
15 | 10e9796 |
hex | b91c8a |
12131466 has 16 divisors (see below), whose sum is σ = 24312288. Its totient is φ = 4035600.
The previous prime is 12131437. The next prime is 12131473. The reversal of 12131466 is 66413121.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1656 + ... + 5196.
It is an arithmetic number, because the mean of its divisors is an integer number (1519518).
Almost surely, 212131466 is an apocalyptic number.
12131466 is an abundant number, since it is smaller than the sum of its proper divisors (12180822).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12131466 is a wasteful number, since it uses less digits than its factorization.
12131466 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4117.
The product of its digits is 864, while the sum is 24.
The square root of 12131466 is about 3483.0254090374. The cubic root of 12131466 is about 229.7758749285.
Adding to 12131466 its reverse (66413121), we get a palindrome (78544587).
The spelling of 12131466 in words is "twelve million, one hundred thirty-one thousand, four hundred sixty-six".
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