Base | Representation |
---|---|
bin | 101110111101… |
… | …100001110101 |
3 | 212011110000211 |
4 | 232331201311 |
5 | 11122420040 |
6 | 1115505421 |
7 | 206432044 |
oct | 56754165 |
9 | 25143024 |
10 | 12310645 |
11 | 6a49196 |
12 | 4158271 |
13 | 2720509 |
14 | 18c655b |
15 | 11328ea |
hex | bbd875 |
12310645 has 16 divisors (see below), whose sum is σ = 15552000. Its totient is φ = 9341248.
The previous prime is 12310637. The next prime is 12310657. The reversal of 12310645 is 54601321.
It is not a de Polignac number, because 12310645 - 23 = 12310637 is a prime.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7836 + ... + 9274.
It is an arithmetic number, because the mean of its divisors is an integer number (972000).
Almost surely, 212310645 is an apocalyptic number.
It is an amenable number.
12310645 is a deficient number, since it is larger than the sum of its proper divisors (3241355).
12310645 is a wasteful number, since it uses less digits than its factorization.
12310645 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1532.
The product of its (nonzero) digits is 720, while the sum is 22.
The square root of 12310645 is about 3508.6528753925. The cubic root of 12310645 is about 230.9015966122.
Adding to 12310645 its reverse (54601321), we get a palindrome (66911966).
The spelling of 12310645 in words is "twelve million, three hundred ten thousand, six hundred forty-five".
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