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52389914065 = 510477982813
BaseRepresentation
bin110000110010101011…
…101010010111010001
312000020010212101101121
4300302223222113101
51324243304222230
640022333402241
73533161631146
oct606253522721
9160203771347
1052389914065
1120244816945
12a1a1339381
134c2bc36968
14276dcc63cd
1515695c777a
hexc32aea5d1

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".

Divisors: 1 5 10477982813 52389914065