Base | Representation |
---|---|
bin | 10110110001000111… |
… | …10110001000110000 |
3 | 1011112212010101221200 |
4 | 23120203312020300 |
5 | 200013120210112 |
6 | 5340521451200 |
7 | 611621366565 |
oct | 133043661060 |
9 | 34485111850 |
10 | 12223210032 |
11 | 5202757680 |
12 | 2451640b00 |
13 | 11ca487377 |
14 | 83d52286c |
15 | 4b8161cdc |
hex | 2d88f6230 |
12223210032 has 60 divisors (see below), whose sum is σ = 37317835464. Its totient is φ = 3704002560.
The previous prime is 12223210031. The next prime is 12223210039. The reversal of 12223210032 is 23001232221.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a junction number, because it is equal to n+sod(n) for n = 12223209987 and 12223210014.
It is not an unprimeable number, because it can be changed into a prime (12223210031) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3856753 + ... + 3859920.
Almost surely, 212223210032 is an apocalyptic number.
12223210032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12223210032 is an abundant number, since it is smaller than the sum of its proper divisors (25094625432).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12223210032 is a wasteful number, since it uses less digits than its factorization.
12223210032 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7716698 (or 7716689 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 18.
Adding to 12223210032 its reverse (23001232221), we get a palindrome (35224442253).
The spelling of 12223210032 in words is "twelve billion, two hundred twenty-three million, two hundred ten thousand, thirty-two".
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