Search a number
-
+
7982110979 is a prime number
BaseRepresentation
bin1110110111100010…
…10101100100000011
3202121021202020202222
413123301111210003
5112321410022404
63400020201255
7401542552403
oct73361254403
922537666688
107982110979
11342676a137
12166923922b
139a291b7bb
1455a16c803
1531ab64dbe
hex1dbc55903

7982110979 has 2 divisors, whose sum is σ = 7982110980. Its totient is φ = 7982110978.

The previous prime is 7982110967. The next prime is 7982111077. The reversal of 7982110979 is 9790112897.

It is a weak prime.

It is an emirp because it is prime and its reverse (9790112897) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-7982110979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7982110979.

It is not a weakly prime, because it can be changed into another prime (7982110579) 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, 3991055489 + 3991055490.

It is an arithmetic number, because the mean of its divisors is an integer number (3991055490).

Almost surely, 27982110979 is an apocalyptic number.

7982110979 is a deficient number, since it is larger than the sum of its proper divisors (1).

7982110979 is an equidigital number, since it uses as much as digits as its factorization.

7982110979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 571536, while the sum is 53.

The square root of 7982110979 is about 89342.6604651999. The cubic root of 7982110979 is about 1998.5081356971.

The spelling of 7982110979 in words is "seven billion, nine hundred eighty-two million, one hundred ten thousand, nine hundred seventy-nine".