Base | Representation |
---|---|
bin | 101110111101… |
… | …100010000100 |
3 | 212011110001101 |
4 | 232331202010 |
5 | 11122420120 |
6 | 1115505444 |
7 | 206432065 |
oct | 56754204 |
9 | 25143041 |
10 | 12310660 |
11 | 6a491aa |
12 | 4158284 |
13 | 272051b |
14 | 18c656c |
15 | 113290a |
hex | bbd884 |
12310660 has 24 divisors (see below), whose sum is σ = 26484696. Its totient is φ = 4803840.
The previous prime is 12310657. The next prime is 12310667. The reversal of 12310660 is 6601321.
12310660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 311364 + 11999296 = 558^2 + 3464^2 .
It is not an unprimeable number, because it can be changed into a prime (12310667) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6687 + ... + 8326.
It is an arithmetic number, because the mean of its divisors is an integer number (1103529).
Almost surely, 212310660 is an apocalyptic number.
12310660 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12310660 is an abundant number, since it is smaller than the sum of its proper divisors (14174036).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12310660 is a wasteful number, since it uses less digits than its factorization.
12310660 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15063 (or 15061 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
The square root of 12310660 is about 3508.6550129644. The cubic root of 12310660 is about 230.9016903935.
Adding to 12310660 its reverse (6601321), we get a palindrome (18911981).
The spelling of 12310660 in words is "twelve million, three hundred ten thousand, six hundred sixty".
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