Base | Representation |
---|---|
bin | 10110110000110001… |
… | …10100100101111000 |
3 | 1011112122200120201220 |
4 | 23120120310211320 |
5 | 200011400220440 |
6 | 5340335512040 |
7 | 611555002311 |
oct | 133030644570 |
9 | 34478616656 |
10 | 12220320120 |
11 | 5201063418 |
12 | 2450688620 |
13 | 11c99b4b68 |
14 | 83cdad608 |
15 | 4b7c908d0 |
hex | 2d8634978 |
12220320120 has 64 divisors (see below), whose sum is σ = 38817493920. Its totient is φ = 3067060224.
The previous prime is 12220320089. The next prime is 12220320131. The reversal of 12220320120 is 2102302221.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 12220320120.
It is a congruent number.
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, 2993137 + ... + 2997216.
Almost surely, 212220320120 is an apocalyptic number.
12220320120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12220320120 is an abundant number, since it is smaller than the sum of its proper divisors (26597173800).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12220320120 is a wasteful number, since it uses less digits than its factorization.
12220320120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5990384 (or 5990380 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 15.
Adding to 12220320120 its reverse (2102302221), we get a palindrome (14322622341).
The spelling of 12220320120 in words is "twelve billion, two hundred twenty million, three hundred twenty thousand, one hundred twenty".
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