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5286734861 = 13499391639
BaseRepresentation
bin1001110110001110…
…10010110000001101
3111122102220221211212
410323013102300031
541311401003421
62232333024205
7245003335112
oct47307226015
914572827755
105286734861
112273251171
121036625065
136633938a5
143821c0909
1520e1e4e5b
hex13b1d2c0d

5286734861 has 4 divisors (see below), whose sum is σ = 5287140000. Its totient is φ = 5286329724.

The previous prime is 5286734821. The next prime is 5286734881. The reversal of 5286734861 is 1684376825.

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 5286734861 - 26 = 5286734797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5286734801) 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, 182321 + ... + 209318.

It is an arithmetic number, because the mean of its divisors is an integer number (1321785000).

Almost surely, 25286734861 is an apocalyptic number.

It is an amenable number.

5286734861 is a deficient number, since it is larger than the sum of its proper divisors (405139).

5286734861 is a wasteful number, since it uses less digits than its factorization.

5286734861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405138.

The product of its digits is 1935360, while the sum is 50.

The square root of 5286734861 is about 72709.9364667581. The cubic root of 5286734861 is about 1742.0575981330.

The spelling of 5286734861 in words is "five billion, two hundred eighty-six million, seven hundred thirty-four thousand, eight hundred sixty-one".

Divisors: 1 13499 391639 5286734861