Base | Representation |
---|---|
bin | 1010111100010011110100… |
… | …1101000001011101010001 |
3 | 1120121011201010020122220110 |
4 | 2233010331031001131101 |
5 | 3034104424414020423 |
6 | 41331023150031533 |
7 | 2351141046342636 |
oct | 257047515013521 |
9 | 46534633218813 |
10 | 12031230220113 |
11 | 3919463895475 |
12 | 14238967a85a9 |
13 | 6937038ca380 |
14 | 2d845958218d |
15 | 15ce5ea54193 |
hex | af13d341751 |
12031230220113 has 8 divisors (see below), whose sum is σ = 17275612623808. Its totient is φ = 7403833981584.
The previous prime is 12031230220109. The next prime is 12031230220147. The reversal of 12031230220113 is 31102203213021.
12031230220113 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 not a de Polignac number, because 12031230220113 - 22 = 12031230220109 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 12031230220113.
It is not an unprimeable number, because it can be changed into a prime (12031230220103) 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, 154246541245 + ... + 154246541322.
It is an arithmetic number, because the mean of its divisors is an integer number (2159451577976).
Almost surely, 212031230220113 is an apocalyptic number.
12031230220113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.
It is an amenable number.
12031230220113 is a deficient number, since it is larger than the sum of its proper divisors (5244382403695).
12031230220113 is a wasteful number, since it uses less digits than its factorization.
12031230220113 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 308493082583.
The product of its (nonzero) digits is 432, while the sum is 21.
Adding to 12031230220113 its reverse (31102203213021), we get a palindrome (43133433433134).
The spelling of 12031230220113 in words is "twelve trillion, thirty-one billion, two hundred thirty million, two hundred twenty thousand, one hundred thirteen".
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