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5298665861 = 131389103979
BaseRepresentation
bin1001110111101001…
…10011100110000101
3111200021101010002202
410323310303212011
541322424301421
62233440444245
7245206626266
oct47364634605
914607333082
105298665861
112279a600a5
12103a619685
136659b0358
14383a0896d
152102a010b
hex13bd33985

5298665861 has 8 divisors (see below), whose sum is σ = 5352890400. Its totient is φ = 5244650320.

The previous prime is 5298665843. The next prime is 5298665899. The reversal of 5298665861 is 1685668925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5298665861 - 26 = 5298665797 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5298665797 and 5298665806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5298665761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1031 + ... + 102948.

It is an arithmetic number, because the mean of its divisors is an integer number (669111300).

Almost surely, 25298665861 is an apocalyptic number.

It is an amenable number.

5298665861 is a deficient number, since it is larger than the sum of its proper divisors (54224539).

5298665861 is a wasteful number, since it uses less digits than its factorization.

5298665861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104499.

The product of its digits is 6220800, while the sum is 56.

The square root of 5298665861 is about 72791.9354118298. The cubic root of 5298665861 is about 1743.3670940682.

The spelling of 5298665861 in words is "five billion, two hundred ninety-eight million, six hundred sixty-five thousand, eight hundred sixty-one".

Divisors: 1 131 389 50959 103979 13621249 40447831 5298665861