Base | Representation |
---|---|
bin | 10101101000000110… |
… | …010110100101100000 |
3 | 2012221100000220110012 |
4 | 111220012112211200 |
5 | 340024130113240 |
6 | 14400121424052 |
7 | 1451306032214 |
oct | 255006264540 |
9 | 65840026405 |
10 | 23221332320 |
11 | 993692273a |
12 | 460093b028 |
13 | 2260ba5134 |
14 | 11a4064944 |
15 | 90d97eb65 |
hex | 568196960 |
23221332320 has 48 divisors (see below), whose sum is σ = 54881744400. Its totient is φ = 9284918784.
The previous prime is 23221332307. The next prime is 23221332341. The reversal of 23221332320 is 2323312232.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404954 + ... + 458726.
It is an arithmetic number, because the mean of its divisors is an integer number (1143369675).
Almost surely, 223221332320 is an apocalyptic number.
23221332320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
23221332320 is an abundant number, since it is smaller than the sum of its proper divisors (31660412080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23221332320 is a wasteful number, since it uses less digits than its factorization.
23221332320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 56487 (or 56479 counting only the distinct ones).
The product of its (nonzero) digits is 2592, while the sum is 23.
Adding to 23221332320 its reverse (2323312232), we get a palindrome (25544644552).
The spelling of 23221332320 in words is "twenty-three billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred twenty".
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