Base | Representation |
---|---|
bin | 110000110010101011… |
… | …101010010111010001 |
3 | 12000020010212101101121 |
4 | 300302223222113101 |
5 | 1324243304222230 |
6 | 40022333402241 |
7 | 3533161631146 |
oct | 606253522721 |
9 | 160203771347 |
10 | 52389914065 |
11 | 20244816945 |
12 | a1a1339381 |
13 | 4c2bc36968 |
14 | 276dcc63cd |
15 | 15695c777a |
hex | c32aea5d1 |
52389914065 has 4 divisors (see below), whose sum is σ = 62867896884. Its totient is φ = 41911931248.
The previous prime is 52389914063. The next prime is 52389914077. The reversal of 52389914065 is 56041998325.
52389914065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 41538108481 + 10851805584 = 203809^2 + 104172^2 .
It is a cyclic number.
It is not a de Polignac number, because 52389914065 - 21 = 52389914063 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (52389914063) 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, 5238991402 + ... + 5238991411.
It is an arithmetic number, because the mean of its divisors is an integer number (15716974221).
Almost surely, 252389914065 is an apocalyptic number.
It is an amenable number.
52389914065 is a deficient number, since it is larger than the sum of its proper divisors (10477982819).
52389914065 is a wasteful number, since it uses less digits than its factorization.
52389914065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10477982818.
The product of its (nonzero) digits is 2332800, while the sum is 52.
The spelling of 52389914065 in words is "fifty-two billion, three hundred eighty-nine million, nine hundred fourteen thousand, sixty-five".
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