Base | Representation |
---|---|
bin | 10110110010000101… |
… | …10000011011100000 |
3 | 1011120102101002022001 |
4 | 23121002300123200 |
5 | 200022204004440 |
6 | 5341411253344 |
7 | 612050306005 |
oct | 133102603340 |
9 | 34512332261 |
10 | 12231313120 |
11 | 5207291644 |
12 | 24542aa254 |
13 | 11cc0636b0 |
14 | 8406318ac |
15 | 4b8c12b9a |
hex | 2d90b06e0 |
12231313120 has 96 divisors (see below), whose sum is σ = 31150066752. Its totient is φ = 4511711232.
The previous prime is 12231313111. The next prime is 12231313169. The reversal of 12231313120 is 2131313221.
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, 2707984 + ... + 2712496.
It is an arithmetic number, because the mean of its divisors is an integer number (324479862).
Almost surely, 212231313120 is an apocalyptic number.
12231313120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12231313120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15575033376).
12231313120 is an abundant number, since it is smaller than the sum of its proper divisors (18918753632).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12231313120 is a wasteful number, since it uses less digits than its factorization.
12231313120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5844 (or 5836 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 19.
Adding to 12231313120 its reverse (2131313221), we get a palindrome (14362626341).
It can be divided in two parts, 12 and 231313120, that added together give a palindrome (231313132).
The spelling of 12231313120 in words is "twelve billion, two hundred thirty-one million, three hundred thirteen thousand, one hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.074 sec. • engine limits •