Base | Representation |
---|---|
bin | 10100111100100000… |
… | …101000001111100000 |
3 | 2011001100221112111101 |
4 | 110330200220033200 |
5 | 332024421213010 |
6 | 14155355124144 |
7 | 1424216016553 |
oct | 247440501740 |
9 | 64040845441 |
10 | 22490022880 |
11 | 95a1039076 |
12 | 4437a43654 |
13 | 2175522a60 |
14 | 1134c9a69a |
15 | 8b967573a |
hex | 53c8283e0 |
22490022880 has 48 divisors (see below), whose sum is σ = 57219813504. Its totient is φ = 8304007680.
The previous prime is 22490022871. The next prime is 22490022881. The reversal of 22490022880 is 8822009422.
It is a super-2 number, since 2×224900228802 (a number of 22 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (22490022881) 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, 5404176 + ... + 5408335.
It is an arithmetic number, because the mean of its divisors is an integer number (1192079448).
Almost surely, 222490022880 is an apocalyptic number.
22490022880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
22490022880 is an abundant number, since it is smaller than the sum of its proper divisors (34729790624).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22490022880 is a wasteful number, since it uses less digits than its factorization.
22490022880 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10812539 (or 10812531 counting only the distinct ones).
The product of its (nonzero) digits is 36864, while the sum is 37.
The spelling of 22490022880 in words is "twenty-two billion, four hundred ninety million, twenty-two thousand, eight hundred eighty".
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