Base | Representation |
---|---|
bin | 11000011100011010… |
… | …00010100001101101 |
3 | 1020212120121200122102 |
4 | 30032031002201231 |
5 | 203334014414013 |
6 | 10010111424445 |
7 | 643130240420 |
oct | 141615024155 |
9 | 36776550572 |
10 | 13123201133 |
11 | 5624783279 |
12 | 2662b25125 |
13 | 1311a79993 |
14 | 8c6c799b7 |
15 | 51c18ad58 |
hex | 30e34286d |
13123201133 has 16 divisors (see below), whose sum is σ = 15533508480. Its totient is φ = 10847704896.
The previous prime is 13123201111. The next prime is 13123201159. The reversal of 13123201133 is 33110232131.
It is not a de Polignac number, because 13123201133 - 210 = 13123200109 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13123209133) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135266 + ... + 211052.
It is an arithmetic number, because the mean of its divisors is an integer number (970844280).
Almost surely, 213123201133 is an apocalyptic number.
It is an amenable number.
13123201133 is a deficient number, since it is larger than the sum of its proper divisors (2410307347).
13123201133 is an equidigital number, since it uses as much as digits as its factorization.
13123201133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76676.
The product of its (nonzero) digits is 324, while the sum is 20.
Adding to 13123201133 its reverse (33110232131), we get a palindrome (46233433264).
The spelling of 13123201133 in words is "thirteen billion, one hundred twenty-three million, two hundred one thousand, one hundred thirty-three".
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