Base | Representation |
---|---|
bin | 11000011001111010… |
… | …00011001000111011 |
3 | 1020211010011100120102 |
4 | 30030331003020323 |
5 | 203313132411443 |
6 | 10004042150015 |
7 | 642454064321 |
oct | 141475031073 |
9 | 36733140512 |
10 | 13102232123 |
11 | 5613960a12 |
12 | 2657ab230b |
13 | 130a617496 |
14 | 8c417bd11 |
15 | 51a3e7cb8 |
hex | 30cf4323b |
13102232123 has 4 divisors (see below), whose sum is σ = 13103704848. Its totient is φ = 13100759400.
The previous prime is 13102232113. The next prime is 13102232149. The reversal of 13102232123 is 32123220131.
13102232123 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, and also an emirpimes, since its reverse is a distinct semiprime: 32123220131 = 44129 ⋅727939.
It is a cyclic number.
It is not a de Polignac number, because 13102232123 - 24 = 13102232107 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13102232095 and 13102232104.
It is not an unprimeable number, because it can be changed into a prime (13102232113) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 722936 + ... + 740837.
It is an arithmetic number, because the mean of its divisors is an integer number (3275926212).
Almost surely, 213102232123 is an apocalyptic number.
13102232123 is a deficient number, since it is larger than the sum of its proper divisors (1472725).
13102232123 is an equidigital number, since it uses as much as digits as its factorization.
13102232123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1472724.
The product of its (nonzero) digits is 432, while the sum is 20.
Adding to 13102232123 its reverse (32123220131), we get a palindrome (45225452254).
The spelling of 13102232123 in words is "thirteen billion, one hundred two million, two hundred thirty-two thousand, one hundred twenty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •