Search a number
-
+
159695054588249 is a prime number
BaseRepresentation
bin100100010011110111100111…
…000000000100100101011001
3202221102200211221010001221122
4210103313213000010211121
5131412420432433310444
61323350521214415025
745431405216065265
oct4423674700044531
9687380757101848
10159695054588249
114697a324089a34
1215ab1b7a801475
136b1524343a89b
142b613d36b50a5
15136e07c9414ee
hex913de7004959

159695054588249 has 2 divisors, whose sum is σ = 159695054588250. Its totient is φ = 159695054588248.

The previous prime is 159695054588101. The next prime is 159695054588269. The reversal of 159695054588249 is 942885450596951.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 137868105975625 + 21826948612624 = 11741725^2 + 4671932^2 .

It is an emirp because it is prime and its reverse (942885450596951) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 159695054588249 - 224 = 159695037811033 is a prime.

It is not a weakly prime, because it can be changed into another prime (159695054588269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 79847527294124 + 79847527294125.

It is an arithmetic number, because the mean of its divisors is an integer number (79847527294125).

Almost surely, 2159695054588249 is an apocalyptic number.

It is an amenable number.

159695054588249 is a deficient number, since it is larger than the sum of its proper divisors (1).

159695054588249 is an equidigital number, since it uses as much as digits as its factorization.

159695054588249 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5598720000, while the sum is 80.

The spelling of 159695054588249 in words is "one hundred fifty-nine trillion, six hundred ninety-five billion, fifty-four million, five hundred eighty-eight thousand, two hundred forty-nine".