Base | Representation |
---|---|
bin | 1100000110110111001000… |
… | …1110110000101100101100 |
3 | 1202010121122120102001010120 |
4 | 3001231302032300230230 |
5 | 3221101004122404122 |
6 | 44151242502404540 |
7 | 2542522161026514 |
oct | 301556216605454 |
9 | 52117576361116 |
10 | 13312020122412 |
11 | 4272661351960 |
12 | 15abb60730750 |
13 | 757419b7589b |
14 | 34043b702844 |
15 | 18142223d75c |
hex | c1b723b0b2c |
13312020122412 has 72 divisors (see below), whose sum is σ = 34319499544512. Its totient is φ = 3982882644000.
The previous prime is 13312020122411. The next prime is 13312020122413. The reversal of 13312020122412 is 21422102021331.
It is an interprime number because it is at equal distance from previous prime (13312020122411) and next prime (13312020122413).
It is not an unprimeable number, because it can be changed into a prime (13312020122411) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7255714 + ... + 8903337.
It is an arithmetic number, because the mean of its divisors is an integer number (476659715896).
Almost surely, 213312020122412 is an apocalyptic number.
13312020122412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13312020122412 is an abundant number, since it is smaller than the sum of its proper divisors (21007479422100).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13312020122412 is a wasteful number, since it uses less digits than its factorization.
13312020122412 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 16159227 (or 16159146 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 24.
Adding to 13312020122412 its reverse (21422102021331), we get a palindrome (34734122143743).
The spelling of 13312020122412 in words is "thirteen trillion, three hundred twelve billion, twenty million, one hundred twenty-two thousand, four hundred twelve".
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