Base | Representation |
---|---|
bin | 10110111011100110… |
… | …01000011010010010 |
3 | 1011202222111211121022 |
4 | 23131303020122102 |
5 | 200203120244442 |
6 | 5353341355442 |
7 | 614036435633 |
oct | 133563103222 |
9 | 34688454538 |
10 | 12311103122 |
11 | 5248329a9a |
12 | 2476b68b82 |
13 | 121274c306 |
14 | 84b08188a |
15 | 4c0c243d2 |
hex | 2ddcc8692 |
12311103122 has 4 divisors (see below), whose sum is σ = 18466654686. Its totient is φ = 6155551560.
The previous prime is 12311103109. The next prime is 12311103131. The reversal of 12311103122 is 22130111321.
12311103122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in only one way, i.e., 8506557361 + 3804545761 = 92231^2 + 61681^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12311103122.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3077775779 + ... + 3077775782.
Almost surely, 212311103122 is an apocalyptic number.
12311103122 is a deficient number, since it is larger than the sum of its proper divisors (6155551564).
12311103122 is an equidigital number, since it uses as much as digits as its factorization.
12311103122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6155551563.
The product of its (nonzero) digits is 72, while the sum is 17.
Adding to 12311103122 its reverse (22130111321), we get a palindrome (34441214443).
The spelling of 12311103122 in words is "twelve billion, three hundred eleven million, one hundred three thousand, one hundred twenty-two".
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