Base | Representation |
---|---|
bin | 11000011100011010… |
… | …01000000111101100 |
3 | 1020212120122212001222 |
4 | 30032031020013230 |
5 | 203334021132134 |
6 | 10010112122512 |
7 | 643130364260 |
oct | 141615100754 |
9 | 36776585058 |
10 | 13123224044 |
11 | 5624799507 |
12 | 2662b36438 |
13 | 1311a87238 |
14 | 8c6c840a0 |
15 | 51c192a2e |
hex | 30e3481ec |
13123224044 has 12 divisors (see below), whose sum is σ = 26246448144. Its totient is φ = 5624238864.
The previous prime is 13123224041. The next prime is 13123224077. The reversal of 13123224044 is 44042232131.
13123224044 is an admirable number.
It is not an unprimeable number, because it can be changed into a prime (13123224041) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234343259 + ... + 234343314.
It is an arithmetic number, because the mean of its divisors is an integer number (2187204012).
Almost surely, 213123224044 is an apocalyptic number.
13123224044 is a gapful number since it is divisible by the number (14) formed by its first and last digit.
It is an amenable number.
13123224044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13123224044 is a wasteful number, since it uses less digits than its factorization.
13123224044 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 468686584 (or 468686582 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 26.
Adding to 13123224044 its reverse (44042232131), we get a palindrome (57165456175).
The spelling of 13123224044 in words is "thirteen billion, one hundred twenty-three million, two hundred twenty-four thousand, forty-four".
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