Base | Representation |
---|---|
bin | 11000100100001101… |
… | …11111100111001001 |
3 | 1021001010220122202110 |
4 | 30102012333213021 |
5 | 204002303201233 |
6 | 10020412052533 |
7 | 644554212600 |
oct | 142206774711 |
9 | 37033818673 |
10 | 13188725193 |
11 | 5658767496 |
12 | 2680a64149 |
13 | 132250c107 |
14 | 8d1854a37 |
15 | 522cd0663 |
hex | 3121bf9c9 |
13188725193 has 24 divisors (see below), whose sum is σ = 20466680832. Its totient is φ = 7532472864.
The previous prime is 13188725129. The next prime is 13188725257. The reversal of 13188725193 is 39152788131.
It is an interprime number because it is at equal distance from previous prime (13188725129) and next prime (13188725257).
It is not a de Polignac number, because 13188725193 - 26 = 13188725129 is a prime.
It is not an unprimeable number, because it can be changed into a prime (13188725093) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 271096 + ... + 316022.
It is an arithmetic number, because the mean of its divisors is an integer number (852778368).
Almost surely, 213188725193 is an apocalyptic number.
It is an amenable number.
13188725193 is a deficient number, since it is larger than the sum of its proper divisors (7277955639).
13188725193 is a wasteful number, since it uses less digits than its factorization.
13188725193 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 46941 (or 46934 counting only the distinct ones).
The product of its digits is 362880, while the sum is 48.
It can be divided in two parts, 131887 and 25193, that added together give a triangular number (157080 = T560).
The spelling of 13188725193 in words is "thirteen billion, one hundred eighty-eight million, seven hundred twenty-five thousand, one hundred ninety-three".
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