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8020712717 is a prime number
BaseRepresentation
bin1110111100001001…
…00101110100001101
3202200222101102101222
413132010211310031
5112411300301332
63403515413125
7402521635043
oct73604456415
922628342358
108020712717
1134465351a6
12167a1541a5
139aa915a74
1456133a393
1531e23c712
hex1de125d0d

8020712717 has 2 divisors, whose sum is σ = 8020712718. Its totient is φ = 8020712716.

The previous prime is 8020712681. The next prime is 8020712723. The reversal of 8020712717 is 7172170208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7118971876 + 901740841 = 84374^2 + 30029^2 .

It is a cyclic number.

It is not a de Polignac number, because 8020712717 - 220 = 8019664141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8020712417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4010356358 + 4010356359.

It is an arithmetic number, because the mean of its divisors is an integer number (4010356359).

Almost surely, 28020712717 is an apocalyptic number.

It is an amenable number.

8020712717 is a deficient number, since it is larger than the sum of its proper divisors (1).

8020712717 is an equidigital number, since it uses as much as digits as its factorization.

8020712717 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10976, while the sum is 35.

The square root of 8020712717 is about 89558.4318587591. The cubic root of 8020712717 is about 2001.7245722479.

The spelling of 8020712717 in words is "eight billion, twenty million, seven hundred twelve thousand, seven hundred seventeen".