Search a number
-
+
8162132761 is a prime number
BaseRepresentation
bin1111001101000000…
…00100001100011001
3210001211111022020101
413212200010030121
5113204001222021
63425530455401
7406156661266
oct74640041431
923054438211
108162132761
113509347172
1216b9594561
13a00ccc573
1457603026d
1532b874a91
hex1e6804319

8162132761 has 2 divisors, whose sum is σ = 8162132762. Its totient is φ = 8162132760.

The previous prime is 8162132749. The next prime is 8162132779. The reversal of 8162132761 is 1672312618.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7399268361 + 762864400 = 86019^2 + 27620^2 .

It is a cyclic number.

It is not a de Polignac number, because 8162132761 - 217 = 8162001689 is a prime.

It is a super-2 number, since 2×81621327612 (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 8162132761.

It is not a weakly prime, because it can be changed into another prime (8162132711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4081066380 + 4081066381.

It is an arithmetic number, because the mean of its divisors is an integer number (4081066381).

Almost surely, 28162132761 is an apocalyptic number.

It is an amenable number.

8162132761 is a deficient number, since it is larger than the sum of its proper divisors (1).

8162132761 is an equidigital number, since it uses as much as digits as its factorization.

8162132761 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24192, while the sum is 37.

The square root of 8162132761 is about 90344.5225843825. The cubic root of 8162132761 is about 2013.4208029962.

The spelling of 8162132761 in words is "eight billion, one hundred sixty-two million, one hundred thirty-two thousand, seven hundred sixty-one".