Base | Representation |
---|---|
bin | 11000100110000100… |
… | …00011001110111101 |
3 | 1021002020001012011010 |
4 | 30103002003032331 |
5 | 204020234102100 |
6 | 10022123545433 |
7 | 645132621636 |
oct | 142302031675 |
9 | 37066035133 |
10 | 13204206525 |
11 | 5666480884 |
12 | 268608b279 |
13 | 132579c873 |
14 | 8d392488d |
15 | 52433c750 |
hex | 3130833bd |
13204206525 has 12 divisors (see below), whose sum is σ = 21830954912. Its totient is φ = 7042243440.
The previous prime is 13204206523. The next prime is 13204206559. The reversal of 13204206525 is 52560240231.
It is not a de Polignac number, because 13204206525 - 21 = 13204206523 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 13204206492 and 13204206501.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (13204206523) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88027969 + ... + 88028118.
Almost surely, 213204206525 is an apocalyptic number.
13204206525 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
13204206525 is a deficient number, since it is larger than the sum of its proper divisors (8626748387).
13204206525 is a wasteful number, since it uses less digits than its factorization.
13204206525 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 176056100 (or 176056095 counting only the distinct ones).
The product of its (nonzero) digits is 14400, while the sum is 30.
Adding to 13204206525 its reverse (52560240231), we get a palindrome (65764446756).
The spelling of 13204206525 in words is "thirteen billion, two hundred four million, two hundred six thousand, five hundred twenty-five".
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