Base | Representation |
---|---|
bin | 11001001010110011… |
… | …01110100001010001 |
3 | 1021212200222012021022 |
4 | 30211121232201101 |
5 | 210133133344100 |
6 | 10112453405225 |
7 | 655564350002 |
oct | 144531564121 |
9 | 37780865238 |
10 | 13512403025 |
11 | 5804443430 |
12 | 2751339815 |
13 | 13745aa364 |
14 | 92282d1a9 |
15 | 541419e85 |
hex | 32566e851 |
13512403025 has 24 divisors (see below), whose sum is σ = 18351512928. Its totient is φ = 9788000000.
The previous prime is 13512402863. The next prime is 13512403103. The reversal of 13512403025 is 52030421531.
It is a happy number.
It is not a de Polignac number, because 13512403025 - 218 = 13512140881 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13512402985 and 13512403003.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28856 + ... + 166905.
It is an arithmetic number, because the mean of its divisors is an integer number (764646372).
Almost surely, 213512403025 is an apocalyptic number.
It is an amenable number.
13512403025 is a deficient number, since it is larger than the sum of its proper divisors (4839109903).
13512403025 is a wasteful number, since it uses less digits than its factorization.
13512403025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 196033 (or 196028 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
Adding to 13512403025 its reverse (52030421531), we get a palindrome (65542824556).
The spelling of 13512403025 in words is "thirteen billion, five hundred twelve million, four hundred three thousand, twenty-five".
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