Base | Representation |
---|---|
bin | 10110111011100111… |
… | …11101011000100110 |
3 | 1011202222220212020121 |
4 | 23131303331120212 |
5 | 200203144220402 |
6 | 5353350152154 |
7 | 614041331344 |
oct | 133563753046 |
9 | 34688825217 |
10 | 12311320102 |
11 | 5248468014 |
12 | 247705265a |
13 | 12127c6cc3 |
14 | 84b0da994 |
15 | 4c0c68837 |
hex | 2ddcfd626 |
12311320102 has 8 divisors (see below), whose sum is σ = 18475369416. Its totient is φ = 6152863632.
The previous prime is 12311320081. The next prime is 12311320103. The reversal of 12311320102 is 20102311321.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12311320103) 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, 1392703 + ... + 1401514.
It is an arithmetic number, because the mean of its divisors is an integer number (2309421177).
Almost surely, 212311320102 is an apocalyptic number.
12311320102 is a deficient number, since it is larger than the sum of its proper divisors (6164049314).
12311320102 is a wasteful number, since it uses less digits than its factorization.
12311320102 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2796422.
The product of its (nonzero) digits is 72, while the sum is 16.
Adding to 12311320102 its reverse (20102311321), we get a palindrome (32413631423).
The spelling of 12311320102 in words is "twelve billion, three hundred eleven million, three hundred twenty thousand, one hundred two".
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