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52745725810689 = 317581908603563
BaseRepresentation
bin10111111111000110100100…
…10000000001100000000001
320220202102221022200100222220
423333203102100001200001
523403141221301420224
6304103015114321253
714052516153632142
oct1377432220014001
9226672838610886
1052745725810689
111589637816195a
125aba584a29229
132357b928109a2
14d04c9a1a3ac9
15617086203279
hex2ff8d2401801

52745725810689 has 4 divisors (see below), whose sum is σ = 70327634414256. Its totient is φ = 35163817207124.

The previous prime is 52745725810669. The next prime is 52745725810699. The reversal of 52745725810689 is 98601852754725.

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 52745725810689 - 29 = 52745725810177 is a prime.

It is a super-2 number, since 2×527457258106892 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52745725810669) 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, 8790954301779 + ... + 8790954301784.

It is an arithmetic number, because the mean of its divisors is an integer number (17581908603564).

Almost surely, 252745725810689 is an apocalyptic number.

It is an amenable number.

52745725810689 is a deficient number, since it is larger than the sum of its proper divisors (17581908603567).

52745725810689 is a wasteful number, since it uses less digits than its factorization.

52745725810689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17581908603566.

The product of its (nonzero) digits is 338688000, while the sum is 69.

The spelling of 52745725810689 in words is "fifty-two trillion, seven hundred forty-five billion, seven hundred twenty-five million, eight hundred ten thousand, six hundred eighty-nine".

Divisors: 1 3 17581908603563 52745725810689