Search a number
-
+
136412225161 is a prime number
BaseRepresentation
bin111111100001011001…
…1010101111010001001
3111001002210200000220121
41333002303111322021
54213333012201121
6142400015223241
712566264532232
oct1770263257211
9431083600817
10136412225161
1152941165873
1222530217b21
13cb2c4a24c4
146860d42089
153835c77141
hex1fc2cd5e89

136412225161 has 2 divisors, whose sum is σ = 136412225162. Its totient is φ = 136412225160.

The previous prime is 136412225119. The next prime is 136412225177. The reversal of 136412225161 is 161522214631.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89353166400 + 47059058761 = 298920^2 + 216931^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-136412225161 is a prime.

It is a super-2 number, since 2×1364122251612 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (136412225101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68206112580 + 68206112581.

It is an arithmetic number, because the mean of its divisors is an integer number (68206112581).

Almost surely, 2136412225161 is an apocalyptic number.

It is an amenable number.

136412225161 is a deficient number, since it is larger than the sum of its proper divisors (1).

136412225161 is an equidigital number, since it uses as much as digits as its factorization.

136412225161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

Adding to 136412225161 its reverse (161522214631), we get a palindrome (297934439792).

The spelling of 136412225161 in words is "one hundred thirty-six billion, four hundred twelve million, two hundred twenty-five thousand, one hundred sixty-one".