Base | Representation |
---|---|
bin | 11000011100101011… |
… | …00011100010100100 |
3 | 1020212201211002212222 |
4 | 30032111203202210 |
5 | 203340102333013 |
6 | 10010231331512 |
7 | 643155225665 |
oct | 141625434244 |
9 | 36781732788 |
10 | 13125433508 |
11 | 5625a68510 |
12 | 2663820b98 |
13 | 131237bb05 |
14 | 8c729b36c |
15 | 51c47c508 |
hex | 30e5638a4 |
13125433508 has 96 divisors (see below), whose sum is σ = 26874892800. Its totient is φ = 5543055360.
The previous prime is 13125433471. The next prime is 13125433547. The reversal of 13125433508 is 80533452131.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35763941 + ... + 35764307.
It is an arithmetic number, because the mean of its divisors is an integer number (279946800).
Almost surely, 213125433508 is an apocalyptic number.
It is an amenable number.
13125433508 is an abundant number, since it is smaller than the sum of its proper divisors (13749459292).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13125433508 is a wasteful number, since it uses less digits than its factorization.
13125433508 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 885 (or 883 counting only the distinct ones).
The product of its (nonzero) digits is 43200, while the sum is 35.
Adding to 13125433508 its reverse (80533452131), we get a palindrome (93658885639).
The spelling of 13125433508 in words is "thirteen billion, one hundred twenty-five million, four hundred thirty-three thousand, five hundred eight".
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