Base | Representation |
---|---|
bin | 10111000100010100… |
… | …01001010110111100 |
3 | 1011222002010211122102 |
4 | 23202022021112330 |
5 | 200330331321210 |
6 | 5404513204232 |
7 | 615615230036 |
oct | 134212112674 |
9 | 34862124572 |
10 | 12384245180 |
11 | 528564677a |
12 | 2497560678 |
13 | 122494b038 |
14 | 856a80c56 |
15 | 4c7370ea5 |
hex | 2e22895bc |
12384245180 has 48 divisors (see below), whose sum is σ = 26986659840. Its totient is φ = 4768756800.
The previous prime is 12384245179. The next prime is 12384245183. The reversal of 12384245180 is 8154248321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12384245183) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66131 + ... + 170709.
It is an arithmetic number, because the mean of its divisors is an integer number (562222080).
Almost surely, 212384245180 is an apocalyptic number.
12384245180 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 12384245180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13493329920).
12384245180 is an abundant number, since it is smaller than the sum of its proper divisors (14602414660).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12384245180 is a wasteful number, since it uses less digits than its factorization.
12384245180 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 104810 (or 104808 counting only the distinct ones).
The product of its (nonzero) digits is 61440, while the sum is 38.
The spelling of 12384245180 in words is "twelve billion, three hundred eighty-four million, two hundred forty-five thousand, one hundred eighty".
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