Search a number
-
+
2030042191 is a prime number
BaseRepresentation
bin111100011111111…
…1111110001001111
312020110212211100211
41320333333301033
513124142322231
6533234503251
7101210034232
oct17077776117
95213784324
102030042191
119519a6821
12487a34b27
132647655c8
14153879419
15bd348eb1
hex78fffc4f

2030042191 has 2 divisors, whose sum is σ = 2030042192. Its totient is φ = 2030042190.

The previous prime is 2030042171. The next prime is 2030042219. The reversal of 2030042191 is 1912400302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2030042191 - 29 = 2030041679 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2030042171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015021095 + 1015021096.

It is an arithmetic number, because the mean of its divisors is an integer number (1015021096).

Almost surely, 22030042191 is an apocalyptic number.

2030042191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2030042191 is an equidigital number, since it uses as much as digits as its factorization.

2030042191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 2030042191 is about 45055.9895130492. The cubic root of 2030042191 is about 1266.1981889968.

Adding to 2030042191 its reverse (1912400302), we get a palindrome (3942442493).

The spelling of 2030042191 in words is "two billion, thirty million, forty-two thousand, one hundred ninety-one".