Base | Representation |
---|---|
bin | 11000011100011001… |
… | …01100010100111011 |
3 | 1020212120110001220122 |
4 | 30032030230110323 |
5 | 203334004011303 |
6 | 10010105443455 |
7 | 643126411340 |
oct | 141614542473 |
9 | 36776401818 |
10 | 13123110203 |
11 | 5624720a25 |
12 | 2662aa058b |
13 | 1311a47488 |
14 | 8c6c547c7 |
15 | 51c16de38 |
hex | 30e32c53b |
13123110203 has 16 divisors (see below), whose sum is σ = 15893682624. Its totient is φ = 10577633280.
The previous prime is 13123110199. The next prime is 13123110251. The reversal of 13123110203 is 30201132131.
13123110203 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a cyclic number.
It is not a de Polignac number, because 13123110203 - 22 = 13123110199 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (17).
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13123110293) 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 15 ways as a sum of consecutive naturals, for example, 93851 + ... + 187227.
It is an arithmetic number, because the mean of its divisors is an integer number (993355164).
Almost surely, 213123110203 is an apocalyptic number.
13123110203 is a deficient number, since it is larger than the sum of its proper divisors (2770572421).
13123110203 is a wasteful number, since it uses less digits than its factorization.
13123110203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 94582.
The product of its (nonzero) digits is 108, while the sum is 17.
Adding to 13123110203 its reverse (30201132131), we get a palindrome (43324242334).
The spelling of 13123110203 in words is "thirteen billion, one hundred twenty-three million, one hundred ten thousand, two hundred three".
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