Base | Representation |
---|---|
bin | 10110111011111000… |
… | …00011000001001010 |
3 | 1011210010220120122120 |
4 | 23131330003001022 |
5 | 200204220042310 |
6 | 5353503432110 |
7 | 614065341642 |
oct | 133574030112 |
9 | 34703816576 |
10 | 12313440330 |
11 | 5249685a74 |
12 | 24778b5636 |
13 | 121308a089 |
14 | 84b4cd522 |
15 | 4c1036b70 |
hex | 2ddf0304a |
12313440330 has 16 divisors (see below), whose sum is σ = 29552256864. Its totient is φ = 3283584080.
The previous prime is 12313440301. The next prime is 12313440331. The reversal of 12313440330 is 3304431321.
It is a self number, because there is not a number n which added to its sum of digits gives 12313440330.
It is not an unprimeable number, because it can be changed into a prime (12313440331) 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, 205223976 + ... + 205224035.
It is an arithmetic number, because the mean of its divisors is an integer number (1847016054).
Almost surely, 212313440330 is an apocalyptic number.
12313440330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12313440330 is an abundant number, since it is smaller than the sum of its proper divisors (17238816534).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12313440330 is a wasteful number, since it uses less digits than its factorization.
12313440330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 410448021.
The product of its (nonzero) digits is 2592, while the sum is 24.
Adding to 12313440330 its reverse (3304431321), we get a palindrome (15617871651).
Subtracting from 12313440330 its reverse (3304431321), we obtain a palindrome (9009009009).
The spelling of 12313440330 in words is "twelve billion, three hundred thirteen million, four hundred forty thousand, three hundred thirty".
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