Base | Representation |
---|---|
bin | 10110100110000001… |
… | …01100101101111011 |
3 | 1011022100221110011121 |
4 | 23103000230231323 |
5 | 144320302012311 |
6 | 5323354210111 |
7 | 606411144103 |
oct | 132300545573 |
9 | 34270843147 |
10 | 12130110331 |
11 | 5165149479 |
12 | 2426423937 |
13 | 11b40bb5a1 |
14 | 83100a203 |
15 | 4aedc1b71 |
hex | 2d302cb7b |
12130110331 has 4 divisors (see below), whose sum is σ = 12136329664. Its totient is φ = 12123891000.
The previous prime is 12130110301. The next prime is 12130110337. The reversal of 12130110331 is 13301103121.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 12130110331 - 25 = 12130110299 is a prime.
It is a super-2 number, since 2×121301103312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (12130110337) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3106740 + ... + 3110641.
It is an arithmetic number, because the mean of its divisors is an integer number (3034082416).
Almost surely, 212130110331 is an apocalyptic number.
12130110331 is a deficient number, since it is larger than the sum of its proper divisors (6219333).
12130110331 is an equidigital number, since it uses as much as digits as its factorization.
12130110331 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6219332.
The product of its (nonzero) digits is 54, while the sum is 16.
Adding to 12130110331 its reverse (13301103121), we get a palindrome (25431213452).
The spelling of 12130110331 in words is "twelve billion, one hundred thirty million, one hundred ten thousand, three hundred thirty-one".
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