Base | Representation |
---|---|
bin | 11000100100000010… |
… | …11001100110110001 |
3 | 1021001001011011020122 |
4 | 30102001121212301 |
5 | 204001414240201 |
6 | 10020320420025 |
7 | 644535564443 |
oct | 142201314661 |
9 | 37031134218 |
10 | 13187258801 |
11 | 56579557a2 |
12 | 2680477615 |
13 | 1322117822 |
14 | 8d1592493 |
15 | 522ae0e1b |
hex | 3120599b1 |
13187258801 has 4 divisors (see below), whose sum is σ = 13187520000. Its totient is φ = 13186997604.
The previous prime is 13187258767. The next prime is 13187258839. The reversal of 13187258801 is 10885278131.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 13187258801 - 210 = 13187257777 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (13187258891) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28001 + ... + 164798.
It is an arithmetic number, because the mean of its divisors is an integer number (3296880000).
Almost surely, 213187258801 is an apocalyptic number.
It is an amenable number.
13187258801 is a deficient number, since it is larger than the sum of its proper divisors (261199).
13187258801 is an equidigital number, since it uses as much as digits as its factorization.
13187258801 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 261198.
The product of its (nonzero) digits is 107520, while the sum is 44.
The spelling of 13187258801 in words is "thirteen billion, one hundred eighty-seven million, two hundred fifty-eight thousand, eight hundred one".
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