Base | Representation |
---|---|
bin | 10101100010101110… |
… | …001111001001101010 |
3 | 2012201001021212100112 |
4 | 111202232033021222 |
5 | 334333031434310 |
6 | 14343140134322 |
7 | 1446132212156 |
oct | 254256171152 |
9 | 65631255315 |
10 | 23131124330 |
11 | 989aa0a086 |
12 | 45966973a2 |
13 | 22482ac622 |
14 | 11960a2066 |
15 | 905ab1705 |
hex | 562b8f26a |
23131124330 has 16 divisors (see below), whose sum is σ = 41637770280. Its totient is φ = 9252061632.
The previous prime is 23131124323. The next prime is 23131124339. The reversal of 23131124330 is 3342113132.
It can be written as a sum of positive squares in 4 ways, for example, as 9786947041 + 13344177289 = 98929^2 + 115517^2 .
It is a junction number, because it is equal to n+sod(n) for n = 23131124296 and 23131124305.
It is not an unprimeable number, because it can be changed into a prime (23131124339) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394136 + ... + 449004.
Almost surely, 223131124330 is an apocalyptic number.
23131124330 is a deficient number, since it is larger than the sum of its proper divisors (18506645950).
23131124330 is a wasteful number, since it uses less digits than its factorization.
23131124330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 97033.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 23131124330 its reverse (3342113132), we get a palindrome (26473237462).
The spelling of 23131124330 in words is "twenty-three billion, one hundred thirty-one million, one hundred twenty-four thousand, three hundred thirty".
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