Base | Representation |
---|---|
bin | 11001101110100101… |
… | …10010101110010101 |
3 | 1022122121210111222111 |
4 | 30313102302232111 |
5 | 211242004401000 |
6 | 10202335231021 |
7 | 666200644216 |
oct | 146722625625 |
9 | 38577714874 |
10 | 13812575125 |
11 | 5948925148 |
12 | 2815978471 |
13 | 13c183859b |
14 | 95064940d |
15 | 55c95ecba |
hex | 3374b2b95 |
13812575125 has 16 divisors (see below), whose sum is σ = 17563349232. Its totient is φ = 10841563200.
The previous prime is 13812575053. The next prime is 13812575131. The reversal of 13812575125 is 52157521831.
It is a happy number.
It can be written as a sum of positive squares in 8 ways, for example, as 633075921 + 13179499204 = 25161^2 + 114802^2 .
It is a de Polignac number, because none of the positive numbers 2k-13812575125 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1035834 + ... + 1049083.
It is an arithmetic number, because the mean of its divisors is an integer number (1097709327).
Almost surely, 213812575125 is an apocalyptic number.
It is an amenable number.
13812575125 is a deficient number, since it is larger than the sum of its proper divisors (3750774107).
13812575125 is an equidigital number, since it uses as much as digits as its factorization.
13812575125 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2084985 (or 2084975 counting only the distinct ones).
The product of its digits is 84000, while the sum is 40.
The spelling of 13812575125 in words is "thirteen billion, eight hundred twelve million, five hundred seventy-five thousand, one hundred twenty-five".
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