Base | Representation |
---|---|
bin | 10110110001000110… |
… | …00111110100100000 |
3 | 1011112211202202201022 |
4 | 23120203013310200 |
5 | 200013043122240 |
6 | 5340513425012 |
7 | 611616646520 |
oct | 133043076440 |
9 | 34484682638 |
10 | 12223020320 |
11 | 5202638095 |
12 | 245156b168 |
13 | 11ca41bc04 |
14 | 83d4b3680 |
15 | 4b81259b5 |
hex | 2d88c7d20 |
12223020320 has 48 divisors (see below), whose sum is σ = 33002157888. Its totient is φ = 4190749440.
The previous prime is 12223020289. The next prime is 12223020347. The reversal of 12223020320 is 2302032221.
It is a super-3 number, since 3×122230203203 (a number of 31 digits) contains 333 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5455586 + ... + 5457825.
It is an arithmetic number, because the mean of its divisors is an integer number (687544956).
Almost surely, 212223020320 is an apocalyptic number.
12223020320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12223020320 is an abundant number, since it is smaller than the sum of its proper divisors (20779137568).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223020320 is a wasteful number, since it uses less digits than its factorization.
12223020320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10913433 (or 10913425 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 12223020320 its reverse (2302032221), we get a palindrome (14525052541).
The spelling of 12223020320 in words is "twelve billion, two hundred twenty-three million, twenty thousand, three hundred twenty".
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