Base | Representation |
---|---|
bin | 10110111011101110… |
… | …11011110001100010 |
3 | 1011210001122010202221 |
4 | 23131313123301202 |
5 | 200203412343020 |
6 | 5353421501254 |
7 | 614052144142 |
oct | 133567336142 |
9 | 34701563687 |
10 | 12312231010 |
11 | 5248a2a432 |
12 | 247741182a |
13 | 1212a557c1 |
14 | 84b296922 |
15 | 4c0d986aa |
hex | 2ddddbc62 |
12312231010 has 16 divisors (see below), whose sum is σ = 22926223800. Its totient is φ = 4755068416.
The previous prime is 12312230951. The next prime is 12312231047. The reversal of 12312231010 is 1013221321.
It can be written as a sum of positive squares in 4 ways, for example, as 6279136081 + 6033094929 = 79241^2 + 77673^2 .
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, 21227695 + ... + 21228274.
Almost surely, 212312231010 is an apocalyptic number.
12312231010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12312231010 is a deficient number, since it is larger than the sum of its proper divisors (10613992790).
12312231010 is a wasteful number, since it uses less digits than its factorization.
12312231010 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42456005.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12312231010 its reverse (1013221321), we get a palindrome (13325452331).
The spelling of 12312231010 in words is "twelve billion, three hundred twelve million, two hundred thirty-one thousand, ten".
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