Base | Representation |
---|---|
bin | 10100111000111111… |
… | …111010000010000000 |
3 | 2010220021002121210201 |
4 | 110320333322002000 |
5 | 331414331111334 |
6 | 14145452334544 |
7 | 1422602213623 |
oct | 247077720200 |
9 | 63807077721 |
10 | 22431113344 |
11 | 9570862502 |
12 | 4420174454 |
13 | 2166268243 |
14 | 112b123dba |
15 | 8b43dac14 |
hex | 538ffa080 |
22431113344 has 32 divisors (see below), whose sum is σ = 44920995840. Its totient is φ = 11156824320.
The previous prime is 22431113323. The next prime is 22431113351. The reversal of 22431113344 is 44331113422.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (32).
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 434304 + ... + 483199.
It is an arithmetic number, because the mean of its divisors is an integer number (1403781120).
Almost surely, 222431113344 is an apocalyptic number.
It is an amenable number.
22431113344 is an abundant number, since it is smaller than the sum of its proper divisors (22489882496).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
22431113344 is an equidigital number, since it uses as much as digits as its factorization.
22431113344 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 917708 (or 917696 counting only the distinct ones).
The product of its digits is 6912, while the sum is 28.
Adding to 22431113344 its reverse (44331113422), we get a palindrome (66762226766).
The spelling of 22431113344 in words is "twenty-two billion, four hundred thirty-one million, one hundred thirteen thousand, three hundred forty-four".
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