Base | Representation |
---|---|
bin | 10110111010100001… |
… | …10101100101101011 |
3 | 1011202100121002122200 |
4 | 23131100311211223 |
5 | 200143320110011 |
6 | 5352420551243 |
7 | 613600144020 |
oct | 133520654553 |
9 | 34670532580 |
10 | 12302113131 |
11 | 5243249750 |
12 | 2473b52523 |
13 | 12109223a9 |
14 | 849bc1547 |
15 | 4c004a856 |
hex | 2dd43596b |
12302113131 has 48 divisors (see below), whose sum is σ = 22278447360. Its totient is φ = 6354941760.
The previous prime is 12302113123. The next prime is 12302113133. The reversal of 12302113131 is 13131120321.
It is not a de Polignac number, because 12302113131 - 23 = 12302113123 is a prime.
It is a super-2 number, since 2×123021131312 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (12302113133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 74461 + ... + 173633.
It is an arithmetic number, because the mean of its divisors is an integer number (464134320).
Almost surely, 212302113131 is an apocalyptic number.
12302113131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
12302113131 is a deficient number, since it is larger than the sum of its proper divisors (9976334229).
12302113131 is a wasteful number, since it uses less digits than its factorization.
12302113131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 99376 (or 99373 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 18.
Adding to 12302113131 its reverse (13131120321), we get a palindrome (25433233452).
The spelling of 12302113131 in words is "twelve billion, three hundred two million, one hundred thirteen thousand, one hundred thirty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •