Base | Representation |
---|---|
bin | 10101100110111101… |
… | …011111001011110111 |
3 | 2012220000002110102001 |
4 | 111212331133023313 |
5 | 340004232343111 |
6 | 14354200200131 |
7 | 1450654465300 |
oct | 254675371367 |
9 | 65800073361 |
10 | 23202231031 |
11 | 9927066651 |
12 | 45b6469047 |
13 | 2259c47ab5 |
14 | 11a16d17a7 |
15 | 90be5a1c1 |
hex | 566f5f2f7 |
23202231031 has 6 divisors (see below), whose sum is σ = 26990350440. Its totient is φ = 19887626556.
The previous prime is 23202231001. The next prime is 23202231049. The reversal of 23202231031 is 13013220232.
It is not a de Polignac number, because 23202231031 - 213 = 23202222839 is a prime.
It is a super-2 number, since 2×232022310312 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23202231001) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 236757411 + ... + 236757508.
It is an arithmetic number, because the mean of its divisors is an integer number (4498391740).
Almost surely, 223202231031 is an apocalyptic number.
23202231031 is a deficient number, since it is larger than the sum of its proper divisors (3788119409).
23202231031 is an equidigital number, since it uses as much as digits as its factorization.
23202231031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 473514933 (or 473514926 counting only the distinct ones).
The product of its (nonzero) digits is 432, while the sum is 19.
Adding to 23202231031 its reverse (13013220232), we get a palindrome (36215451263).
The spelling of 23202231031 in words is "twenty-three billion, two hundred two million, two hundred thirty-one thousand, thirty-one".
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