Base | Representation |
---|---|
bin | 10110111110000101… |
… | …11001000111010001 |
3 | 1011211102212010011122 |
4 | 23133002321013101 |
5 | 200223443340420 |
6 | 5355405452025 |
7 | 614412241466 |
oct | 133702710721 |
9 | 34742763148 |
10 | 12332011985 |
11 | 5259110147 |
12 | 2481b71015 |
13 | 1216b90317 |
14 | 84db6566d |
15 | 4c29a4725 |
hex | 2df0b91d1 |
12332011985 has 4 divisors (see below), whose sum is σ = 14798414388. Its totient is φ = 9865609584.
The previous prime is 12332011957. The next prime is 12332011987. The reversal of 12332011985 is 58911023321.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 4224090049 + 8107921936 = 64993^2 + 90044^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12332011985 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (12332011987) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1233201194 + ... + 1233201203.
It is an arithmetic number, because the mean of its divisors is an integer number (3699603597).
Almost surely, 212332011985 is an apocalyptic number.
It is an amenable number.
12332011985 is a deficient number, since it is larger than the sum of its proper divisors (2466402403).
12332011985 is an equidigital number, since it uses as much as digits as its factorization.
12332011985 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2466402402.
The product of its (nonzero) digits is 12960, while the sum is 35.
The spelling of 12332011985 in words is "twelve billion, three hundred thirty-two million, eleven thousand, nine hundred eighty-five".
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