Base | Representation |
---|---|
bin | 110111111111001011… |
… | …0000101100111001101 |
3 | 102111100010102212220100 |
4 | 1233332112011213031 |
5 | 3432213204220023 |
6 | 131122234241313 |
7 | 11454305233530 |
oct | 1577626054715 |
9 | 374303385810 |
10 | 120231320013 |
11 | 46a9849a292 |
12 | 1b375286239 |
13 | b4510b940c |
14 | 5b67d5ca17 |
15 | 31da449c43 |
hex | 1bfe5859cd |
120231320013 has 24 divisors (see below), whose sum is σ = 210152225088. Its totient is φ = 64662221952.
The previous prime is 120231319991. The next prime is 120231320059. The reversal of 120231320013 is 310023132021.
It is not a de Polignac number, because 120231320013 - 213 = 120231311821 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120231321013) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56129331 + ... + 56131472.
It is an arithmetic number, because the mean of its divisors is an integer number (8756342712).
Almost surely, 2120231320013 is an apocalyptic number.
It is an amenable number.
120231320013 is a deficient number, since it is larger than the sum of its proper divisors (89920905075).
120231320013 is a wasteful number, since it uses less digits than its factorization.
120231320013 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 112260833 (or 112260830 counting only the distinct ones).
The product of its (nonzero) digits is 216, while the sum is 18.
Adding to 120231320013 its reverse (310023132021), we get a palindrome (430254452034).
The spelling of 120231320013 in words is "one hundred twenty billion, two hundred thirty-one million, three hundred twenty thousand, thirteen".
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