Base | Representation |
---|---|
bin | 10110110001000111… |
… | …10011110001000000 |
3 | 1011112212002220121222 |
4 | 23120203303301000 |
5 | 200013114402240 |
6 | 5340521334212 |
7 | 611621326352 |
oct | 133043636100 |
9 | 34485086558 |
10 | 12223200320 |
11 | 5202750351 |
12 | 2451637368 |
13 | 11ca482b16 |
14 | 83d51d0d2 |
15 | 4b815deb5 |
hex | 2d88f3c40 |
12223200320 has 28 divisors (see below), whose sum is σ = 29106496524. Its totient is φ = 4889280000.
The previous prime is 12223200239. The next prime is 12223200383. The reversal of 12223200320 is 2300232221.
It can be written as a sum of positive squares in 2 ways, for example, as 6524762176 + 5698438144 = 80776^2 + 75488^2 .
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, 19098431 + ... + 19099070.
It is an arithmetic number, because the mean of its divisors is an integer number (1039517733).
Almost surely, 212223200320 is an apocalyptic number.
12223200320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12223200320 is an abundant number, since it is smaller than the sum of its proper divisors (16883296204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223200320 is an equidigital number, since it uses as much as digits as its factorization.
12223200320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 38197518 (or 38197508 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 17.
Adding to 12223200320 its reverse (2300232221), we get a palindrome (14523432541).
The spelling of 12223200320 in words is "twelve billion, two hundred twenty-three million, two hundred thousand, three hundred twenty".
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