Base | Representation |
---|---|
bin | 1001000101100100111… |
… | …11010110111100100101 |
3 | 1002211220222222200121211 |
4 | 10202302133112330211 |
5 | 20103422421211323 |
6 | 355234255511421 |
7 | 31362255665650 |
oct | 4426237267445 |
9 | 1084828880554 |
10 | 312232210213 |
11 | 110464a40940 |
12 | 50619b28571 |
13 | 2359c117711 |
14 | 1117d928897 |
15 | 81c64ec70d |
hex | 48b27d6f25 |
312232210213 has 32 divisors (see below), whose sum is σ = 398415790080. Its totient is φ = 237588240960.
The previous prime is 312232210193. The next prime is 312232210229. The reversal of 312232210213 is 312012232213.
It is not a de Polignac number, because 312232210213 - 237 = 174793256741 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312232210613) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23299431 + ... + 23312827.
It is an arithmetic number, because the mean of its divisors is an integer number (12450493440).
Almost surely, 2312232210213 is an apocalyptic number.
It is an amenable number.
312232210213 is a deficient number, since it is larger than the sum of its proper divisors (86183579867).
312232210213 is a wasteful number, since it uses less digits than its factorization.
312232210213 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 20497.
The product of its (nonzero) digits is 864, while the sum is 22.
Adding to 312232210213 its reverse (312012232213), we get a palindrome (624244442426).
The spelling of 312232210213 in words is "three hundred twelve billion, two hundred thirty-two million, two hundred ten thousand, two hundred thirteen".
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