Search a number
-
+
7930742593 is a prime number
BaseRepresentation
bin1110110001011010…
…11000011101000001
3202110201002110121011
413120231120131001
5112220232230333
63350543200521
7400350125344
oct73055303501
922421073534
107930742593
1133aa774324
121653ba6141
139950a45c7
145533da45b
153163b99cd
hex1d8b58741

7930742593 has 2 divisors, whose sum is σ = 7930742594. Its totient is φ = 7930742592.

The previous prime is 7930742579. The next prime is 7930742693. The reversal of 7930742593 is 3952470397.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6101640769 + 1829101824 = 78113^2 + 42768^2 .

It is a cyclic number.

It is not a de Polignac number, because 7930742593 - 29 = 7930742081 is a prime.

It is not a weakly prime, because it can be changed into another prime (7930742543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3965371296 + 3965371297.

It is an arithmetic number, because the mean of its divisors is an integer number (3965371297).

Almost surely, 27930742593 is an apocalyptic number.

It is an amenable number.

7930742593 is a deficient number, since it is larger than the sum of its proper divisors (1).

7930742593 is an equidigital number, since it uses as much as digits as its factorization.

7930742593 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1428840, while the sum is 49.

The square root of 7930742593 is about 89054.7168486880. The cubic root of 7930742593 is about 1994.2118140284.

The spelling of 7930742593 in words is "seven billion, nine hundred thirty million, seven hundred forty-two thousand, five hundred ninety-three".