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663065013 = 31317001667
BaseRepresentation
bin100111100001011…
…001000110110101
31201012200012012110
4213201121012311
52324221040023
6145443441233
722300650102
oct4741310665
91635605173
10663065013
11310312616
12166086219
13a74a9980
14640c1aa9
153d328a93
hex278591b5

663065013 has 8 divisors (see below), whose sum is σ = 952093408. Its totient is φ = 408039984.

The previous prime is 663065003. The next prime is 663065017. The reversal of 663065013 is 310560366.

663065013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 663065013 - 25 = 663064981 is a prime.

It is a super-2 number, since 2×6630650132 = 879310422929380338, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663065017) 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, 8500795 + ... + 8500872.

It is an arithmetic number, because the mean of its divisors is an integer number (119011676).

Almost surely, 2663065013 is an apocalyptic number.

It is an amenable number.

663065013 is a deficient number, since it is larger than the sum of its proper divisors (289028395).

663065013 is a wasteful number, since it uses less digits than its factorization.

663065013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17001683.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 663065013 is about 25750.0487960703. The cubic root of 663065013 is about 872.0044560591.

The spelling of 663065013 in words is "six hundred sixty-three million, sixty-five thousand, thirteen".

Divisors: 1 3 13 39 17001667 51005001 221021671 663065013