Base | Representation |
---|---|
bin | 10110110001001111… |
… | …01001001010000100 |
3 | 1011112220222222101210 |
4 | 23120213221022010 |
5 | 200013344033234 |
6 | 5340555051420 |
7 | 611633013633 |
oct | 133047511204 |
9 | 34486888353 |
10 | 12224205444 |
11 | 5203277530 |
12 | 2451a40b70 |
13 | 11ca745479 |
14 | 83d70151a |
15 | 4b82abbe9 |
hex | 2d89e9284 |
12224205444 has 48 divisors (see below), whose sum is σ = 31123685376. Its totient is φ = 3703408800.
The previous prime is 12224205361. The next prime is 12224205493. The reversal of 12224205444 is 44450242221.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 713709 + ... + 730635.
It is an arithmetic number, because the mean of its divisors is an integer number (648410112).
Almost surely, 212224205444 is an apocalyptic number.
It is an amenable number.
12224205444 is an abundant number, since it is smaller than the sum of its proper divisors (18899479932).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12224205444 is a wasteful number, since it uses less digits than its factorization.
12224205444 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 22416 (or 22414 counting only the distinct ones).
The product of its (nonzero) digits is 20480, while the sum is 30.
Adding to 12224205444 its reverse (44450242221), we get a palindrome (56674447665).
The spelling of 12224205444 in words is "twelve billion, two hundred twenty-four million, two hundred five thousand, four hundred forty-four".
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