Search a number
-
+
30143015873 is a prime number
BaseRepresentation
bin11100000100101010…
…011110101111000001
32212210201101212021022
4130010222132233001
5443213103001443
621503021235225
72114654256515
oct340452365701
985721355238
1030143015873
1111868a45a73
125a12a02b15
132ac4bba089
14165d436145
15bb6478e68
hex704a9ebc1

30143015873 has 2 divisors, whose sum is σ = 30143015874. Its totient is φ = 30143015872.

The previous prime is 30143015857. The next prime is 30143015893. The reversal of 30143015873 is 37851034103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29760735169 + 382280704 = 172513^2 + 19552^2 .

It is an emirp because it is prime and its reverse (37851034103) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30143015873 - 24 = 30143015857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30143015813) 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, 15071507936 + 15071507937.

It is an arithmetic number, because the mean of its divisors is an integer number (15071507937).

Almost surely, 230143015873 is an apocalyptic number.

It is an amenable number.

30143015873 is a deficient number, since it is larger than the sum of its proper divisors (1).

30143015873 is an equidigital number, since it uses as much as digits as its factorization.

30143015873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30240, while the sum is 35.

Adding to 30143015873 its reverse (37851034103), we get a palindrome (67994049976).

The spelling of 30143015873 in words is "thirty billion, one hundred forty-three million, fifteen thousand, eight hundred seventy-three".