Search a number
-
+
28554446017 is a prime number
BaseRepresentation
bin11010100101111110…
…100100010011000001
32201201000020011002201
4122211332210103001
5431434414233032
621041232513201
72030414533516
oct324576442301
981630204081
1028554446017
1111123270a19
12564a9ab801
132900a56b06
14154c47930d
15b21c868e7
hex6a5fa44c1

28554446017 has 2 divisors, whose sum is σ = 28554446018. Its totient is φ = 28554446016.

The previous prime is 28554446009. The next prime is 28554446027. The reversal of 28554446017 is 71064445582.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28537007041 + 17438976 = 168929^2 + 4176^2 .

It is a cyclic number.

It is not a de Polignac number, because 28554446017 - 23 = 28554446009 is a prime.

It is not a weakly prime, because it can be changed into another prime (28554446027) 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, 14277223008 + 14277223009.

It is an arithmetic number, because the mean of its divisors is an integer number (14277223009).

Almost surely, 228554446017 is an apocalyptic number.

It is an amenable number.

28554446017 is a deficient number, since it is larger than the sum of its proper divisors (1).

28554446017 is an equidigital number, since it uses as much as digits as its factorization.

28554446017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1075200, while the sum is 46.

The spelling of 28554446017 in words is "twenty-eight billion, five hundred fifty-four million, four hundred forty-six thousand, seventeen".