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6520420482 = 231763925691
BaseRepresentation
bin1100001001010010…
…11011100010000010
3121211102022200100220
412010221123202002
5101323211423412
62555003123510
7320403442152
oct60451334202
917742280326
106520420482
112846675464
12131b813596
137cbb50794
1445bd9c762
1528268668c
hex184a5b882

6520420482 has 16 divisors (see below), whose sum is σ = 13807949472. Its totient is φ = 2045622080.

The previous prime is 6520420481. The next prime is 6520420547. The reversal of 6520420482 is 2840240256.

It is a super-2 number, since 2×65204204822 = 85031766524170224648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6520420481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31962744 + ... + 31962947.

It is an arithmetic number, because the mean of its divisors is an integer number (862996842).

Almost surely, 26520420482 is an apocalyptic number.

6520420482 is an abundant number, since it is smaller than the sum of its proper divisors (7287528990).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6520420482 is a wasteful number, since it uses less digits than its factorization.

6520420482 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63925713.

The product of its (nonzero) digits is 30720, while the sum is 33.

The square root of 6520420482 is about 80749.1206267907. The cubic root of 6520420482 is about 1868.2078860585.

The spelling of 6520420482 in words is "six billion, five hundred twenty million, four hundred twenty thousand, four hundred eighty-two".

Divisors: 1 2 3 6 17 34 51 102 63925691 127851382 191777073 383554146 1086736747 2173473494 3260210241 6520420482