Base | Representation |
---|---|
bin | 11000011100001011… |
… | …00001110011111010 |
3 | 1020212102220122200002 |
4 | 30032011201303322 |
5 | 203333013411442 |
6 | 10010001313002 |
7 | 643104430025 |
oct | 141605416372 |
9 | 36772818602 |
10 | 13121232122 |
11 | 5623658999 |
12 | 2662335762 |
13 | 131153a69b |
14 | 8c68c61bc |
15 | 51bdec732 |
hex | 30e161cfa |
13121232122 has 16 divisors (see below), whose sum is σ = 19926460512. Its totient is φ = 6479138160.
The previous prime is 13121232079. The next prime is 13121232161. The reversal of 13121232122 is 22123212131.
13121232122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 13121232094 and 13121232103.
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 in 7 ways as a sum of consecutive naturals, for example, 477497 + ... + 504227.
It is an arithmetic number, because the mean of its divisors is an integer number (1245403782).
Almost surely, 213121232122 is an apocalyptic number.
13121232122 is a deficient number, since it is larger than the sum of its proper divisors (6805228390).
13121232122 is a wasteful number, since it uses less digits than its factorization.
13121232122 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29773.
The product of its digits is 288, while the sum is 20.
Adding to 13121232122 its reverse (22123212131), we get a palindrome (35244444253).
The spelling of 13121232122 in words is "thirteen billion, one hundred twenty-one million, two hundred thirty-two thousand, one hundred twenty-two".
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