Base | Representation |
---|---|
bin | 101110111101… |
… | …100111011100 |
3 | 212011110112010 |
4 | 232331213130 |
5 | 11122423004 |
6 | 1115511220 |
7 | 206433066 |
oct | 56754734 |
9 | 25143463 |
10 | 12311004 |
11 | 6a49492 |
12 | 4158510 |
13 | 2720724 |
14 | 18c6736 |
15 | 1132a89 |
hex | bbd9dc |
12311004 has 12 divisors (see below), whose sum is σ = 28725704. Its totient is φ = 4103664.
The previous prime is 12310997. The next prime is 12311017. The reversal of 12311004 is 40011321.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (12).
It is a Harshad number since it is a multiple of its sum of digits (12), and also a Moran number because the ratio is a prime number: 1025917 = 12311004 / (1 + 2 + 3 + 1 + 1 + 0 + 0 + 4).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 512947 + ... + 512970.
Almost surely, 212311004 is an apocalyptic number.
It is an amenable number.
12311004 is an abundant number, since it is smaller than the sum of its proper divisors (16414700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12311004 is a wasteful number, since it uses less digits than its factorization.
12311004 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1025924 (or 1025922 counting only the distinct ones).
The product of its (nonzero) digits is 24, while the sum is 12.
The square root of 12311004 is about 3508.7040342554. The cubic root of 12311004 is about 230.9038410889.
Adding to 12311004 its reverse (40011321), we get a palindrome (52322325).
The spelling of 12311004 in words is "twelve million, three hundred eleven thousand, four".
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