Search a number
-
+
12175193689 is a prime number
BaseRepresentation
bin10110101011011001…
…01011011001011001
31011102111202220220121
423111230223121121
5144413322144224
65332044353241
7610466303341
oct132554533131
934374686817
1012175193689
11518864124a
122439545821
1311c0544b29
14836dc3d21
154b3d29be4
hex2d5b2b659

12175193689 has 2 divisors, whose sum is σ = 12175193690. Its totient is φ = 12175193688.

The previous prime is 12175193669. The next prime is 12175193707. The reversal of 12175193689 is 98639157121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12153960025 + 21233664 = 110245^2 + 4608^2 .

It is a cyclic number.

It is not a de Polignac number, because 12175193689 - 213 = 12175185497 is a prime.

It is not a weakly prime, because it can be changed into another prime (12175193609) 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, 6087596844 + 6087596845.

It is an arithmetic number, because the mean of its divisors is an integer number (6087596845).

Almost surely, 212175193689 is an apocalyptic number.

It is an amenable number.

12175193689 is a deficient number, since it is larger than the sum of its proper divisors (1).

12175193689 is an equidigital number, since it uses as much as digits as its factorization.

12175193689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 816480, while the sum is 52.

The spelling of 12175193689 in words is "twelve billion, one hundred seventy-five million, one hundred ninety-three thousand, six hundred eighty-nine".