Search a number
-
+
28162000289 is a prime number
BaseRepresentation
bin11010001110100101…
…100000010110100001
32200200122202211202202
4122032211200112201
5430133433002124
620534253222545
72014611024053
oct321645402641
980618684682
1028162000289
1110a41795705
12555b491a55
13286a65bac7
1415122bd8d3
15aec5b65ae
hex68e9605a1

28162000289 has 2 divisors, whose sum is σ = 28162000290. Its totient is φ = 28162000288.

The previous prime is 28162000259. The next prime is 28162000297. The reversal of 28162000289 is 98200026182.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20398980625 + 7763019664 = 142825^2 + 88108^2 .

It is a cyclic number.

It is not a de Polignac number, because 28162000289 - 216 = 28161934753 is a prime.

It is not a weakly prime, because it can be changed into another prime (28162000219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14081000144 + 14081000145.

It is an arithmetic number, because the mean of its divisors is an integer number (14081000145).

Almost surely, 228162000289 is an apocalyptic number.

It is an amenable number.

28162000289 is a deficient number, since it is larger than the sum of its proper divisors (1).

28162000289 is an equidigital number, since it uses as much as digits as its factorization.

28162000289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 38.

The spelling of 28162000289 in words is "twenty-eight billion, one hundred sixty-two million, two hundred eighty-nine", and thus it is an aban number.