Base | Representation |
---|---|
bin | 10110111011011111… |
… | …10001110100000011 |
3 | 1011202220212011212002 |
4 | 23131233301310003 |
5 | 200202404133011 |
6 | 5353310454215 |
7 | 614026115162 |
oct | 133557616403 |
9 | 34686764762 |
10 | 12310224131 |
11 | 5247889657 |
12 | 247680436b |
13 | 12125021ba |
14 | 84acd33d9 |
15 | 4c0aedc3b |
hex | 2ddbf1d03 |
12310224131 has 4 divisors (see below), whose sum is σ = 12311297592. Its totient is φ = 12309150672.
The previous prime is 12310224097. The next prime is 12310224149. The reversal of 12310224131 is 13142201321.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12310224131 is a prime.
It is a super-2 number, since 2×123102241312 (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 (12310224931) 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, 519341 + ... + 542526.
It is an arithmetic number, because the mean of its divisors is an integer number (3077824398).
Almost surely, 212310224131 is an apocalyptic number.
12310224131 is a deficient number, since it is larger than the sum of its proper divisors (1073461).
12310224131 is a wasteful number, since it uses less digits than its factorization.
12310224131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1073460.
The product of its (nonzero) digits is 288, while the sum is 20.
Adding to 12310224131 its reverse (13142201321), we get a palindrome (25452425452).
The spelling of 12310224131 in words is "twelve billion, three hundred ten million, two hundred twenty-four thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.073 sec. • engine limits •