Base | Representation |
---|---|
bin | 10101101000000001… |
… | …111110101000100000 |
3 | 2012221020212122111021 |
4 | 111220001332220200 |
5 | 340023331420012 |
6 | 14400041055224 |
7 | 1451263215130 |
oct | 255001765040 |
9 | 65836778437 |
10 | 23220185632 |
11 | 993620a166 |
12 | 4600487514 |
13 | 2260893217 |
14 | 11a3c46ac0 |
15 | 90d805007 |
hex | 56807ea20 |
23220185632 has 48 divisors (see below), whose sum is σ = 52306672320. Its totient is φ = 9939840768.
The previous prime is 23220185623. The next prime is 23220185633. The reversal of 23220185632 is 23658102232.
It is a super-3 number, since 3×232201856323 (a number of 32 digits) contains 333 as substring.
It is not an unprimeable number, because it can be changed into a prime (23220185633) 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, 132078 + ... + 252754.
It is an arithmetic number, because the mean of its divisors is an integer number (1089722340).
Almost surely, 223220185632 is an apocalyptic number.
It is an amenable number.
23220185632 is an abundant number, since it is smaller than the sum of its proper divisors (29086486688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23220185632 is a wasteful number, since it uses less digits than its factorization.
23220185632 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121553 (or 121545 counting only the distinct ones).
The product of its (nonzero) digits is 34560, while the sum is 34.
Adding to 23220185632 its reverse (23658102232), we get a palindrome (46878287864).
The spelling of 23220185632 in words is "twenty-three billion, two hundred twenty million, one hundred eighty-five thousand, six hundred thirty-two".
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