Base | Representation |
---|---|
bin | 110100100011000111111010… |
… | …101000000000011011111101 |
3 | 1010022022002201121201101112201 |
4 | 310203013322220000123331 |
5 | 220243020040101201023 |
6 | 2135311233311431501 |
7 | 66452204200151500 |
oct | 6443077250003375 |
9 | 1108262647641481 |
10 | 231112100022013 |
11 | 67704100422a91 |
12 | 21b070a6825591 |
13 | 9bc5a1528b722 |
14 | 410dc57491137 |
15 | 1babb51c45bad |
hex | d231faa006fd |
231112100022013 has 48 divisors (see below), whose sum is σ = 271649901553920. Its totient is φ = 196042601462400.
The previous prime is 231112100021947. The next prime is 231112100022047. The reversal of 231112100022013 is 310220001211132.
231112100022013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-231112100022013 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 (231112100022913) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1426070295 + ... + 1426232347.
It is an arithmetic number, because the mean of its divisors is an integer number (5659372949040).
Almost surely, 2231112100022013 is an apocalyptic number.
It is an amenable number.
231112100022013 is a deficient number, since it is larger than the sum of its proper divisors (40537801531907).
231112100022013 is a wasteful number, since it uses less digits than its factorization.
231112100022013 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 163058 (or 163051 counting only the distinct ones).
The product of its (nonzero) digits is 144, while the sum is 19.
Adding to 231112100022013 its reverse (310220001211132), we get a palindrome (541332101233145).
The spelling of 231112100022013 in words is "two hundred thirty-one trillion, one hundred twelve billion, one hundred million, twenty-two thousand, thirteen".
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