Base | Representation |
---|---|
bin | 10101011100110001… |
… | …100001111100001110 |
3 | 2012110002111111121221 |
4 | 111130301201330032 |
5 | 334132004340210 |
6 | 14325213113554 |
7 | 1443511012312 |
oct | 253461417416 |
9 | 65402444557 |
10 | 23031324430 |
11 | 9849644a24 |
12 | 45691888ba |
13 | 2230708c2a |
14 | 1186b23b42 |
15 | 8ebe4b1da |
hex | 55cc61f0e |
23031324430 has 32 divisors (see below), whose sum is σ = 46205264160. Its totient is φ = 8214266880.
The previous prime is 23031324389. The next prime is 23031324457. The reversal of 23031324430 is 3442313032.
It is a junction number, because it is equal to n+sod(n) for n = 23031324395 and 23031324404.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3561991 + ... + 3568450.
It is an arithmetic number, because the mean of its divisors is an integer number (1443914505).
Almost surely, 223031324430 is an apocalyptic number.
23031324430 is an abundant number, since it is smaller than the sum of its proper divisors (23173939730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23031324430 is a wasteful number, since it uses less digits than its factorization.
23031324430 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7130484.
The product of its (nonzero) digits is 5184, while the sum is 25.
Adding to 23031324430 its reverse (3442313032), we get a palindrome (26473637462).
The spelling of 23031324430 in words is "twenty-three billion, thirty-one million, three hundred twenty-four thousand, four hundred thirty".
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