Search a number
-
+
8132744797 is a prime number
BaseRepresentation
bin1111001001011111…
…11101011001011101
3202222210012020112021
413210233331121131
5113123440313142
63423000540141
7405352122142
oct74457753135
922883166467
108132744797
1134a37a45a1
1216ab781651
139c7bb0038
145721803c9
15328ebc267
hex1e4bfd65d

8132744797 has 2 divisors, whose sum is σ = 8132744798. Its totient is φ = 8132744796.

The previous prime is 8132744783. The next prime is 8132744803. The reversal of 8132744797 is 7974472318.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6436211076 + 1696533721 = 80226^2 + 41189^2 .

It is a cyclic number.

It is not a de Polignac number, because 8132744797 - 211 = 8132742749 is a prime.

It is a super-2 number, since 2×81327447972 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8132744497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4066372398 + 4066372399.

It is an arithmetic number, because the mean of its divisors is an integer number (4066372399).

Almost surely, 28132744797 is an apocalyptic number.

It is an amenable number.

8132744797 is a deficient number, since it is larger than the sum of its proper divisors (1).

8132744797 is an equidigital number, since it uses as much as digits as its factorization.

8132744797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2370816, while the sum is 52.

The square root of 8132744797 is about 90181.7320581059. The cubic root of 8132744797 is about 2011.0014396196.

The spelling of 8132744797 in words is "eight billion, one hundred thirty-two million, seven hundred forty-four thousand, seven hundred ninety-seven".