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52428542885747 = 77489791840821
BaseRepresentation
bin10111110101110111110001…
…01011001011111101110011
320212122010020022001022111022
423322323320223023331303
523332442123434320442
6303301201243410055
714020560111355430
oct1372737053137563
9225563208038438
1052428542885747
1115783902716846
125a69004b2392b
132333cb4b32692
14cd37aad66b87
1560dbc02873d2
hex2faef8acbf73

52428542885747 has 4 divisors (see below), whose sum is σ = 59918334726576. Its totient is φ = 44938751044920.

The previous prime is 52428542885743. The next prime is 52428542885779. The reversal of 52428542885747 is 74758824582425.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 52428542885747 - 22 = 52428542885743 is a prime.

It is a super-2 number, since 2×524285428857472 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52428542885743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3744895920404 + ... + 3744895920417.

It is an arithmetic number, because the mean of its divisors is an integer number (14979583681644).

Almost surely, 252428542885747 is an apocalyptic number.

52428542885747 is a deficient number, since it is larger than the sum of its proper divisors (7489791840829).

52428542885747 is an equidigital number, since it uses as much as digits as its factorization.

52428542885747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7489791840828.

The product of its digits is 1605632000, while the sum is 71.

The spelling of 52428542885747 in words is "fifty-two trillion, four hundred twenty-eight billion, five hundred forty-two million, eight hundred eighty-five thousand, seven hundred forty-seven".

Divisors: 1 7 7489791840821 52428542885747