Base | Representation |
---|---|
bin | 10101001010101010… |
… | …010000100101001110 |
3 | 2011122220122222200112 |
4 | 111022222100211032 |
5 | 333021210202210 |
6 | 14235115400022 |
7 | 1433130645200 |
oct | 251252204516 |
9 | 64586588615 |
10 | 22727428430 |
11 | 970304a403 |
12 | 44a3453012 |
13 | 21b2775a05 |
14 | 1158618770 |
15 | 8d041cd05 |
hex | 54aa9094e |
22727428430 has 24 divisors (see below), whose sum is σ = 47588453208. Its totient is φ = 7792261008.
The previous prime is 22727428397. The next prime is 22727428433. The reversal of 22727428430 is 3482472722.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22727428433) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23190764 + ... + 23191743.
It is an arithmetic number, because the mean of its divisors is an integer number (1982852217).
Almost surely, 222727428430 is an apocalyptic number.
22727428430 is an abundant number, since it is smaller than the sum of its proper divisors (24861024778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22727428430 is a wasteful number, since it uses less digits than its factorization.
22727428430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 46382528 (or 46382521 counting only the distinct ones).
The product of its (nonzero) digits is 301056, while the sum is 41.
The spelling of 22727428430 in words is "twenty-two billion, seven hundred twenty-seven million, four hundred twenty-eight thousand, four hundred thirty".
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