Base | Representation |
---|---|
bin | 10110111011110101… |
… | …10000101100000111 |
3 | 1011210010021110001222 |
4 | 23131322300230013 |
5 | 200204123244421 |
6 | 5353452310555 |
7 | 614062435541 |
oct | 133572605407 |
9 | 34703243058 |
10 | 12313103111 |
11 | 5249475681 |
12 | 247777245b |
13 | 1212c9c73a |
14 | 84b442691 |
15 | 4c0ebbcab |
hex | 2ddeb0b07 |
12313103111 has 4 divisors (see below), whose sum is σ = 13037403312. Its totient is φ = 11588802912.
The previous prime is 12313103059. The next prime is 12313103137. The reversal of 12313103111 is 11130131321.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-12313103111 is a prime.
It is a super-2 number, since 2×123131031112 (a number of 21 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 724300183 = 12313103111 / (1 + 2 + 3 + 1 + 3 + 1 + 0 + 3 + 1 + 1 + 1).
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 12313103111.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12313102111) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 362150075 + ... + 362150108.
It is an arithmetic number, because the mean of its divisors is an integer number (3259350828).
Almost surely, 212313103111 is an apocalyptic number.
12313103111 is a deficient number, since it is larger than the sum of its proper divisors (724300201).
12313103111 is an equidigital number, since it uses as much as digits as its factorization.
12313103111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 724300200.
The product of its (nonzero) digits is 54, while the sum is 17.
Adding to 12313103111 its reverse (11130131321), we get a palindrome (23443234432).
The spelling of 12313103111 in words is "twelve billion, three hundred thirteen million, one hundred three thousand, one hundred eleven".
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