Search a number
-
+
30001222109 is a prime number
BaseRepresentation
bin11011111100001101…
…100101000111011101
32212102211120222210102
4123330031211013131
5442420303101414
621440554150445
72111313115565
oct337415450735
985384528712
1030001222109
11117a59a9241
125993422425
132aa1702441
141648685da5
15ba8cbaede
hex6fc3651dd

30001222109 has 2 divisors, whose sum is σ = 30001222110. Its totient is φ = 30001222108.

The previous prime is 30001222001. The next prime is 30001222123. The reversal of 30001222109 is 90122210003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15226819609 + 14774402500 = 123397^2 + 121550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30001222109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30001224109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15000611054 + 15000611055.

It is an arithmetic number, because the mean of its divisors is an integer number (15000611055).

Almost surely, 230001222109 is an apocalyptic number.

It is an amenable number.

30001222109 is a deficient number, since it is larger than the sum of its proper divisors (1).

30001222109 is an equidigital number, since it uses as much as digits as its factorization.

30001222109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The spelling of 30001222109 in words is "thirty billion, one million, two hundred twenty-two thousand, one hundred nine".