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8069663047809 = 311307796531739
BaseRepresentation
bin111010101101101110101…
…1001100100000010000001
31001120110012200200220020010
41311123131121210002001
52024203132220012214
625055052500535133
71462004526104046
oct165333531440201
931513180626203
108069663047809
112631363462120
12aa3b559b14a9
13466c732a34cc
141dc8066231cd
15ded9cbb8659
hex756dd664081

8069663047809 has 16 divisors (see below), whose sum is σ = 11775925244160. Its totient is φ = 4874774236560.

The previous prime is 8069663047703. The next prime is 8069663047871. The reversal of 8069663047809 is 9087403669608.

It is not a de Polignac number, because 8069663047809 - 212 = 8069663043713 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 8069663047809.

It is not an unprimeable number, because it can be changed into a prime (8069663047409) 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, 398255739 + ... + 398276000.

It is an arithmetic number, because the mean of its divisors is an integer number (735995327760).

Almost surely, 28069663047809 is an apocalyptic number.

It is an amenable number.

8069663047809 is a deficient number, since it is larger than the sum of its proper divisors (3706262196351).

8069663047809 is a wasteful number, since it uses less digits than its factorization.

8069663047809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 796532060.

The product of its (nonzero) digits is 94058496, while the sum is 66.

The spelling of 8069663047809 in words is "eight trillion, sixty-nine billion, six hundred sixty-three million, forty-seven thousand, eight hundred nine".

Divisors: 1 3 11 33 307 921 3377 10131 796531739 2389595217 8761849129 26285547387 244535243873 733605731619 2689887682603 8069663047809