Base | Representation |
---|---|
bin | 10110100100000000… |
… | …01110101111011011 |
3 | 1011021012010211201200 |
4 | 23102000032233123 |
5 | 144301440212311 |
6 | 5321552045243 |
7 | 606114406005 |
oct | 132200165733 |
9 | 34235124650 |
10 | 12113210331 |
11 | 5156656232 |
12 | 2420833823 |
13 | 11b07521a1 |
14 | 82ca8b375 |
15 | 4ad684556 |
hex | 2d200ebdb |
12113210331 has 24 divisors (see below), whose sum is σ = 17993495520. Its totient is φ = 7846834176.
The previous prime is 12113210321. The next prime is 12113210371. The reversal of 12113210331 is 13301231121.
12113210331 is a `hidden beast` number, since 1 + 2 + 11 + 321 + 0 + 331 = 666.
12113210331 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 12113210331 - 25 = 12113210299 is a prime.
It is a super-2 number, since 2×121132103312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12113210321) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 232426 + ... + 279728.
It is an arithmetic number, because the mean of its divisors is an integer number (749728980).
Almost surely, 212113210331 is an apocalyptic number.
12113210331 is a deficient number, since it is larger than the sum of its proper divisors (5880285189).
12113210331 is a wasteful number, since it uses less digits than its factorization.
12113210331 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 48115 (or 48112 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 12113210331 its reverse (13301231121), we get a palindrome (25414441452).
The spelling of 12113210331 in words is "twelve billion, one hundred thirteen million, two hundred ten thousand, three hundred thirty-one".
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