Search a number
-
+
1210133917 is a prime number
BaseRepresentation
bin100100000100001…
…0010110110011101
310010100002011122201
41020020102312131
54434243241132
6320025211501
741662653136
oct11010226635
93110064581
101210133917
115710a8583
12299330b91
13163931c95
14b6a0ac8d
157138d2e7
hex48212d9d

1210133917 has 2 divisors, whose sum is σ = 1210133918. Its totient is φ = 1210133916.

The previous prime is 1210133909. The next prime is 1210133923. The reversal of 1210133917 is 7193310121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1210065796 + 68121 = 34786^2 + 261^2 .

It is a cyclic number.

It is not a de Polignac number, because 1210133917 - 23 = 1210133909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1210133987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 605066958 + 605066959.

It is an arithmetic number, because the mean of its divisors is an integer number (605066959).

Almost surely, 21210133917 is an apocalyptic number.

It is an amenable number.

1210133917 is a deficient number, since it is larger than the sum of its proper divisors (1).

1210133917 is an equidigital number, since it uses as much as digits as its factorization.

1210133917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 28.

The square root of 1210133917 is about 34786.9791301286. The cubic root of 1210133917 is about 1065.6415472323.

The spelling of 1210133917 in words is "one billion, two hundred ten million, one hundred thirty-three thousand, nine hundred seventeen".