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5285850661 = 71391163761
BaseRepresentation
bin1001110110000111…
…11010111000100101
3111122101021000221201
410323003322320211
541311134210121
62232302042501
7244662663220
oct47303727045
914571230851
105285850661
1122727a7923
121036279431
136631442b0
143820305b7
1520e0bce91
hex13b0fae25

5285850661 has 16 divisors (see below), whose sum is σ = 6512905728. Its totient is φ = 4177555200.

The previous prime is 5285850623. The next prime is 5285850679. The reversal of 5285850661 is 1660585825.

It is a happy number.

It is not a de Polignac number, because 5285850661 - 211 = 5285848613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5285850461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51021 + ... + 114781.

It is an arithmetic number, because the mean of its divisors is an integer number (407056608).

Almost surely, 25285850661 is an apocalyptic number.

It is an amenable number.

5285850661 is a deficient number, since it is larger than the sum of its proper divisors (1227055067).

5285850661 is a wasteful number, since it uses less digits than its factorization.

5285850661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64692.

The product of its (nonzero) digits is 576000, while the sum is 46.

The square root of 5285850661 is about 72703.8558881164. The cubic root of 5285850661 is about 1741.9604737106.

The spelling of 5285850661 in words is "five billion, two hundred eighty-five million, eight hundred fifty thousand, six hundred sixty-one".

Divisors: 1 7 13 91 911 6377 11843 63761 82901 446327 828893 5802251 58086271 406603897 755121523 5285850661