Base | Representation |
---|---|
bin | 10101011100110111… |
… | …111110000001100000 |
3 | 2012110012200020222101 |
4 | 111130313332001200 |
5 | 334132422343240 |
6 | 14325313220144 |
7 | 1443531242263 |
oct | 253467760140 |
9 | 65405606871 |
10 | 23033012320 |
11 | 984a59807a |
12 | 4569861654 |
13 | 2230b7a296 |
14 | 1187042cda |
15 | 8ec18139a |
hex | 55cdfe060 |
23033012320 has 24 divisors (see below), whose sum is σ = 54415491984. Its totient is φ = 9213204864.
The previous prime is 23033012311. The next prime is 23033012323. The reversal of 23033012320 is 2321033032.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (23033012323) 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, 71978004 + ... + 71978323.
It is an arithmetic number, because the mean of its divisors is an integer number (2267312166).
Almost surely, 223033012320 is an apocalyptic number.
23033012320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23033012320 is an abundant number, since it is smaller than the sum of its proper divisors (31382479664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23033012320 is a wasteful number, since it uses less digits than its factorization.
23033012320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 143956342 (or 143956334 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 23033012320 its reverse (2321033032), we get a palindrome (25354045352).
The spelling of 23033012320 in words is "twenty-three billion, thirty-three million, twelve thousand, three hundred twenty".
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