Base | Representation |
---|---|
bin | 10111111110101100000111… |
… | …01010101111101100111101 |
3 | 20220201002021110200010102012 |
4 | 23333112003222233230331 |
5 | 23402423124230414400 |
6 | 304052305500341005 |
7 | 14051504166615116 |
oct | 1377260352575475 |
9 | 226632243603365 |
10 | 52731522513725 |
11 | 15890349829700 |
12 | 5ab7880244765 |
13 | 235673b061c63 |
14 | d0430dacb20d |
15 | 616a04313d35 |
hex | 2ff583aafb3d |
52731522513725 has 36 divisors (see below), whose sum is σ = 72212383111680. Its totient is φ = 38168443236000.
The previous prime is 52731522513673. The next prime is 52731522513727.
52731522513725 is nontrivially palindromic in base 10.
It is not a de Polignac number, because 52731522513725 - 238 = 52456644606781 is a prime.
It is a super-2 number, since 2×527315225137252 (a number of 28 digits) contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (52731522513727) by changing a digit.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 40669565 + ... + 41946114.
It is an arithmetic number, because the mean of its divisors is an integer number (2005899530880).
Almost surely, 252731522513725 is an apocalyptic number.
52731522513725 is a gapful number since it is divisible by the number (55) formed by its first and last digit.
It is an amenable number.
52731522513725 is a deficient number, since it is larger than the sum of its proper divisors (19480860597955).
52731522513725 is a wasteful number, since it uses less digits than its factorization.
52731522513725 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 82615922 (or 82615906 counting only the distinct ones).
The product of its digits is 4410000, while the sum is 50.
It can be divided in two parts, 5273152 and 2513725, that added together give a palindrome (7786877).
The spelling of 52731522513725 in words is "fifty-two trillion, seven hundred thirty-one billion, five hundred twenty-two million, five hundred thirteen thousand, seven hundred twenty-five".
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