Base | Representation |
---|---|
bin | 11000100111000111… |
… | …01011101110011100 |
3 | 1021002211122010021010 |
4 | 30103203223232130 |
5 | 204030013220012 |
6 | 10023040535220 |
7 | 645300562221 |
oct | 142343535634 |
9 | 37084563233 |
10 | 13213023132 |
11 | 5670452931 |
12 | 2689021510 |
13 | 13275688aa |
14 | 8d4b7b948 |
15 | 524ecec3c |
hex | 3138ebb9c |
13213023132 has 48 divisors (see below), whose sum is σ = 31106275200. Its totient is φ = 4365017280.
The previous prime is 13213023127. The next prime is 13213023163. The reversal of 13213023132 is 23132031231.
It is a junction number, because it is equal to n+sod(n) for n = 13213023099 and 13213023108.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1298119 + ... + 1308257.
It is an arithmetic number, because the mean of its divisors is an integer number (648047400).
Almost surely, 213213023132 is an apocalyptic number.
13213023132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
13213023132 is an abundant number, since it is smaller than the sum of its proper divisors (17893252068).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13213023132 is a wasteful number, since it uses less digits than its factorization.
13213023132 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11106 (or 11104 counting only the distinct ones).
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 13213023132 its reverse (23132031231), we get a palindrome (36345054363).
The spelling of 13213023132 in words is "thirteen billion, two hundred thirteen million, twenty-three thousand, one hundred thirty-two".
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