Base | Representation |
---|---|
bin | 10110111100111100… |
… | …11000110110100100 |
3 | 1011210202211221112012 |
4 | 23132132120312210 |
5 | 200214021131120 |
6 | 5354424413352 |
7 | 614235014543 |
oct | 133636306644 |
9 | 34722757465 |
10 | 12322442660 |
11 | 5253774610 |
12 | 247a917258 |
13 | 1214bbc7b8 |
14 | 84c79415a |
15 | 4c1c141c5 |
hex | 2de798da4 |
12322442660 has 96 divisors (see below), whose sum is σ = 28467863424. Its totient is φ = 4443264000.
The previous prime is 12322442623. The next prime is 12322442663. The reversal of 12322442660 is 6624422321.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (12322442663) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21580175 + ... + 21580745.
It is an arithmetic number, because the mean of its divisors is an integer number (296540244).
Almost surely, 212322442660 is an apocalyptic number.
12322442660 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 12322442660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14233931712).
12322442660 is an abundant number, since it is smaller than the sum of its proper divisors (16145420764).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12322442660 is a wasteful number, since it uses less digits than its factorization.
12322442660 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1245 (or 1243 counting only the distinct ones).
The product of its (nonzero) digits is 27648, while the sum is 32.
Adding to 12322442660 its reverse (6624422321), we get a palindrome (18946864981).
The spelling of 12322442660 in words is "twelve billion, three hundred twenty-two million, four hundred forty-two thousand, six hundred sixty".
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