Base | Representation |
---|---|
bin | 1001000101010110101… |
… | …01101110101000111111 |
3 | 1002211121122020211201022 |
4 | 10202223111232220333 |
5 | 20103201213322221 |
6 | 355214332334355 |
7 | 31356301212026 |
oct | 4425325565077 |
9 | 1084548224638 |
10 | 312112245311 |
11 | 110403253499 |
12 | 505a59143bb |
13 | 23580303779 |
14 | 1116ba1b8bd |
15 | 81bac024ab |
hex | 48ab56ea3f |
312112245311 has 4 divisors (see below), whose sum is σ = 312218445000. Its totient is φ = 312006045624.
The previous prime is 312112245253. The next prime is 312112245323. The reversal of 312112245311 is 113542211213.
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 312112245311 - 238 = 37234338367 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (312112245371) 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, 53095436 + ... + 53101313.
It is an arithmetic number, because the mean of its divisors is an integer number (78054611250).
Almost surely, 2312112245311 is an apocalyptic number.
312112245311 is a deficient number, since it is larger than the sum of its proper divisors (106199689).
312112245311 is a wasteful number, since it uses less digits than its factorization.
312112245311 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 106199688.
The product of its digits is 1440, while the sum is 26.
Adding to 312112245311 its reverse (113542211213), we get a palindrome (425654456524).
The spelling of 312112245311 in words is "three hundred twelve billion, one hundred twelve million, two hundred forty-five thousand, three hundred eleven".
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