Search a number
-
+
17864422201 is a prime number
BaseRepresentation
bin10000101000110011…
…010111001100111001
31201010000001200020201
4100220303113030321
5243041243002301
612112400322201
71201461040363
oct205063271471
951100050221
1017864422201
11763800089a
123566913361
1318b9111032
14c16817d33
156e8527201
hex428cd7339

17864422201 has 2 divisors, whose sum is σ = 17864422202. Its totient is φ = 17864422200.

The previous prime is 17864422181. The next prime is 17864422229. The reversal of 17864422201 is 10222446871.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9623413801 + 8241008400 = 98099^2 + 90780^2 .

It is a cyclic number.

It is not a de Polignac number, because 17864422201 - 219 = 17863897913 is a prime.

It is not a weakly prime, because it can be changed into another prime (17864423201) 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, 8932211100 + 8932211101.

It is an arithmetic number, because the mean of its divisors is an integer number (8932211101).

Almost surely, 217864422201 is an apocalyptic number.

It is an amenable number.

17864422201 is a deficient number, since it is larger than the sum of its proper divisors (1).

17864422201 is an equidigital number, since it uses as much as digits as its factorization.

17864422201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 37.

The spelling of 17864422201 in words is "seventeen billion, eight hundred sixty-four million, four hundred twenty-two thousand, two hundred one".