Base | Representation |
---|---|
bin | 10110111011100101… |
… | …11010000011101010 |
3 | 1011202222101211221211 |
4 | 23131302322003222 |
5 | 200203111404310 |
6 | 5353340223334 |
7 | 614036102344 |
oct | 133562720352 |
9 | 34688354854 |
10 | 12311044330 |
11 | 5248299902 |
12 | 2476b3ab4a |
13 | 121272b620 |
14 | 84b068294 |
15 | 4c0c11c8a |
hex | 2ddcba0ea |
12311044330 has 64 divisors (see below), whose sum is σ = 24768646560. Its totient is φ = 4374429696.
The previous prime is 12311044327. The next prime is 12311044337. The reversal of 12311044330 is 3344011321.
It can be written as a sum of positive squares in 16 ways, for example, as 239847169 + 12071197161 = 15487^2 + 109869^2 .
It is not an unprimeable number, because it can be changed into a prime (12311044337) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1174794 + ... + 1185226.
Almost surely, 212311044330 is an apocalyptic number.
12311044330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12311044330 is an abundant number, since it is smaller than the sum of its proper divisors (12457602230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12311044330 is a wasteful number, since it uses less digits than its factorization.
12311044330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10795.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 12311044330 its reverse (3344011321), we get a palindrome (15655055651).
The spelling of 12311044330 in words is "twelve billion, three hundred eleven million, forty-four thousand, three hundred thirty".
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