Base | Representation |
---|---|
bin | 10110110001001100… |
… | …11001111000011010 |
3 | 1011112220101110222100 |
4 | 23120212121320122 |
5 | 200013303140410 |
6 | 5340544104230 |
7 | 611630162145 |
oct | 133046317032 |
9 | 34486343870 |
10 | 12223880730 |
11 | 5203075576 |
12 | 2451905076 |
13 | 11ca660729 |
14 | 83d65905c |
15 | 4b82458c0 |
hex | 2d8999e1a |
12223880730 has 24 divisors (see below), whose sum is σ = 31782090132. Its totient is φ = 3259701504.
The previous prime is 12223880729. The next prime is 12223880749. The reversal of 12223880730 is 3708832221.
It is a happy number.
12223880730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 11146925241 + 1076955489 = 105579^2 + 32817^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67910359 + ... + 67910538.
Almost surely, 212223880730 is an apocalyptic number.
12223880730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12223880730 is an abundant number, since it is smaller than the sum of its proper divisors (19558209402).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223880730 is a wasteful number, since it uses less digits than its factorization.
12223880730 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 135820910 (or 135820907 counting only the distinct ones).
The product of its (nonzero) digits is 32256, while the sum is 36.
The spelling of 12223880730 in words is "twelve billion, two hundred twenty-three million, eight hundred eighty thousand, seven hundred thirty".
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