Base | Representation |
---|---|
bin | 11000010000101111… |
… | …01111110111110100 |
3 | 1020121202111002021122 |
4 | 30020113233313310 |
5 | 203133442020022 |
6 | 5552254203112 |
7 | 640531414541 |
oct | 141027576764 |
9 | 36552432248 |
10 | 13025345012 |
11 | 5584516549 |
12 | 26361b3498 |
13 | 12c7706c54 |
14 | 8b7c85bc8 |
15 | 5137ab742 |
hex | 3085efdf4 |
13025345012 has 24 divisors (see below), whose sum is σ = 23813856360. Its totient is φ = 6225833600.
The previous prime is 13025345009. The next prime is 13025345059. The reversal of 13025345012 is 21054352031.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 9946870756 + 3078474256 = 99734^2 + 55484^2 .
It is a super-2 number, since 2×130253450122 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 544163 + ... + 567594.
It is an arithmetic number, because the mean of its divisors is an integer number (992244015).
Almost surely, 213025345012 is an apocalyptic number.
It is an amenable number.
13025345012 is a deficient number, since it is larger than the sum of its proper divisors (10788511348).
13025345012 is a wasteful number, since it uses less digits than its factorization.
13025345012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1111891 (or 1111889 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
Adding to 13025345012 its reverse (21054352031), we get a palindrome (34079697043).
The spelling of 13025345012 in words is "thirteen billion, twenty-five million, three hundred forty-five thousand, twelve".
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