Search a number
-
+
32168886121 is a prime number
BaseRepresentation
bin11101111101011010…
…100011111101101001
310002000220102201210201
4131331122203331221
51011340213323441
622440030512201
72216114010001
oct357532437551
9102026381721
1032168886121
11127085522a9
126299365661
133058821778
1417b2507001
15c8424bc31
hex77d6a3f69

32168886121 has 2 divisors, whose sum is σ = 32168886122. Its totient is φ = 32168886120.

The previous prime is 32168886119. The next prime is 32168886161. The reversal of 32168886121 is 12168886123.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26360769600 + 5808116521 = 162360^2 + 76211^2 .

It is an emirp because it is prime and its reverse (12168886123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32168886121 - 21 = 32168886119 is a prime.

Together with 32168886119, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (32168886161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16084443060 + 16084443061.

It is an arithmetic number, because the mean of its divisors is an integer number (16084443061).

Almost surely, 232168886121 is an apocalyptic number.

It is an amenable number.

32168886121 is a deficient number, since it is larger than the sum of its proper divisors (1).

32168886121 is an equidigital number, since it uses as much as digits as its factorization.

32168886121 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 221184, while the sum is 46.

The spelling of 32168886121 in words is "thirty-two billion, one hundred sixty-eight million, eight hundred eighty-six thousand, one hundred twenty-one".