Search a number
-
+
8894350081 is a prime number
BaseRepresentation
bin10000100100010010…
…10000001100000001
3211221212021210120101
420102021100030001
5121203423200311
64030324442401
7433260504541
oct102211201401
924855253511
108894350081
1138546a0951
121882849401
13ab990bc56
14605393321
15370cacec1
hex212250301

8894350081 has 2 divisors, whose sum is σ = 8894350082. Its totient is φ = 8894350080.

The previous prime is 8894350063. The next prime is 8894350103. The reversal of 8894350081 is 1800534988.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7260573681 + 1633776400 = 85209^2 + 40420^2 .

It is a cyclic number.

It is not a de Polignac number, because 8894350081 - 219 = 8893825793 is a prime.

It is a super-2 number, since 2×88943500812 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8894350021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4447175040 + 4447175041.

It is an arithmetic number, because the mean of its divisors is an integer number (4447175041).

Almost surely, 28894350081 is an apocalyptic number.

It is an amenable number.

8894350081 is a deficient number, since it is larger than the sum of its proper divisors (1).

8894350081 is an equidigital number, since it uses as much as digits as its factorization.

8894350081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 276480, while the sum is 46.

The square root of 8894350081 is about 94309.8620558847. The cubic root of 8894350081 is about 2071.9124802934.

The spelling of 8894350081 in words is "eight billion, eight hundred ninety-four million, three hundred fifty thousand, eighty-one".