Base | Representation |
---|---|
bin | 10110111011100111… |
… | …11001000010111010 |
3 | 1011202222212221212101 |
4 | 23131303321002322 |
5 | 200203143133310 |
6 | 5353345534014 |
7 | 614041225465 |
oct | 133563710272 |
9 | 34688787771 |
10 | 12311302330 |
11 | 5248455728 |
12 | 247704430a |
13 | 12127bbba2 |
14 | 84b0d42dc |
15 | 4c0c6343a |
hex | 2ddcf90ba |
12311302330 has 16 divisors (see below), whose sum is σ = 22440856320. Its totient is φ = 4862184912.
The previous prime is 12311302309. The next prime is 12311302363. The reversal of 12311302330 is 3320311321.
It is a junction number, because it is equal to n+sod(n) for n = 12311302298 and 12311302307.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7791174 + ... + 7792753.
It is an arithmetic number, because the mean of its divisors is an integer number (1402553520).
Almost surely, 212311302330 is an apocalyptic number.
12311302330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12311302330 is a deficient number, since it is larger than the sum of its proper divisors (10129553990).
12311302330 is a wasteful number, since it uses less digits than its factorization.
12311302330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15584013.
The product of its (nonzero) digits is 324, while the sum is 19.
Adding to 12311302330 its reverse (3320311321), we get a palindrome (15631613651).
The spelling of 12311302330 in words is "twelve billion, three hundred eleven million, three hundred two thousand, three hundred thirty".
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