Base | Representation |
---|---|
bin | 1100000000111011100010… |
… | …0001110101010011011111 |
3 | 1201202212121222221022222102 |
4 | 3000032320201311103133 |
5 | 3212413311244441111 |
6 | 44032351232035315 |
7 | 2532254044651316 |
oct | 300167041652337 |
9 | 51685558838872 |
10 | 13210120312031 |
11 | 4233420590135 |
12 | 1594262692b3b |
13 | 74a92a89a9b6 |
14 | 33953222727d |
15 | 17d95b33213b |
hex | c03b88754df |
13210120312031 has 8 divisors (see below), whose sum is σ = 13551139425600. Its totient is φ = 12869997439360.
The previous prime is 13210120311961. The next prime is 13210120312073. The reversal of 13210120312031 is 13021302101231.
It is a happy number.
13210120312031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 13210120312031 - 222 = 13210116117727 is a prime.
It is a super-2 number, since 2×132101203120312 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13210120311994 and 13210120312012.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13210120312231) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224030366 + ... + 224089323.
It is an arithmetic number, because the mean of its divisors is an integer number (1693892428200).
Almost surely, 213210120312031 is an apocalyptic number.
13210120312031 is a deficient number, since it is larger than the sum of its proper divisors (341019113569).
13210120312031 is an equidigital number, since it uses as much as digits as its factorization.
13210120312031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 448120449.
The product of its (nonzero) digits is 216, while the sum is 20.
Adding to 13210120312031 its reverse (13021302101231), we get a palindrome (26231422413262).
The spelling of 13210120312031 in words is "thirteen trillion, two hundred ten billion, one hundred twenty million, three hundred twelve thousand, thirty-one".
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