Search a number
-
+
2133030121 is a prime number
BaseRepresentation
bin111111100100011…
…0111010011101001
312111122200011020121
41333020313103221
513332023430441
6551354123241
7103600312465
oct17710672351
95448604217
102133030121
119a5049112
124b6420521
1327cbb4101
141634074a5
15c73dddd1
hex7f2374e9

2133030121 has 2 divisors, whose sum is σ = 2133030122. Its totient is φ = 2133030120.

The previous prime is 2133030101. The next prime is 2133030169. The reversal of 2133030121 is 1210303312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1681000000 + 452030121 = 41000^2 + 21261^2 .

It is a cyclic number.

It is not a de Polignac number, because 2133030121 - 25 = 2133030089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2133030095 and 2133030104.

It is not a weakly prime, because it can be changed into another prime (2133030101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1066515060 + 1066515061.

It is an arithmetic number, because the mean of its divisors is an integer number (1066515061).

Almost surely, 22133030121 is an apocalyptic number.

It is an amenable number.

2133030121 is a deficient number, since it is larger than the sum of its proper divisors (1).

2133030121 is an equidigital number, since it uses as much as digits as its factorization.

2133030121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 2133030121 is about 46184.7390487377. The cubic root of 2133030121 is about 1287.2581873576.

Adding to 2133030121 its reverse (1210303312), we get a palindrome (3343333433).

The spelling of 2133030121 in words is "two billion, one hundred thirty-three million, thirty thousand, one hundred twenty-one".