Base | Representation |
---|---|
bin | 10110111101110111… |
… | …01011010000110011 |
3 | 1011211022022000012010 |
4 | 23132323223100303 |
5 | 200223002321433 |
6 | 5355301134003 |
7 | 614360202300 |
oct | 133673532063 |
9 | 34738260163 |
10 | 12330120243 |
11 | 5258038921 |
12 | 24813ba303 |
13 | 121667a24c |
14 | 84d7d20a7 |
15 | 4c272de63 |
hex | 2deeeb433 |
12330120243 has 48 divisors (see below), whose sum is σ = 20218273920. Its totient is φ = 6645953664.
The previous prime is 12330120233. The next prime is 12330120289. The reversal of 12330120243 is 34202103321.
It is not a de Polignac number, because 12330120243 - 24 = 12330120227 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is not an unprimeable number, because it can be changed into a prime (12330120223) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 641296 + ... + 660242.
It is an arithmetic number, because the mean of its divisors is an integer number (421214040).
Almost surely, 212330120243 is an apocalyptic number.
12330120243 is a deficient number, since it is larger than the sum of its proper divisors (7888153677).
12330120243 is a wasteful number, since it uses less digits than its factorization.
12330120243 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19216 (or 19209 counting only the distinct ones).
The product of its (nonzero) digits is 864, while the sum is 21.
Adding to 12330120243 its reverse (34202103321), we get a palindrome (46532223564).
The spelling of 12330120243 in words is "twelve billion, three hundred thirty million, one hundred twenty thousand, two hundred forty-three".
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