Search a number
-
+
132101212181 is a prime number
BaseRepresentation
bin111101100000111011…
…0001000100000010101
3110121222100201212212012
41323001312020200111
54131020402242211
6140404135234005
712354406530251
oct1730166104025
9417870655765
10132101212181
1151029765a24
1221728518905
13c5c32c8353
14657258d261
153682569d8b
hex1ec1d88815

132101212181 has 2 divisors, whose sum is σ = 132101212182. Its totient is φ = 132101212180.

The previous prime is 132101212171. The next prime is 132101212211. The reversal of 132101212181 is 181212101231.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96353747281 + 35747464900 = 310409^2 + 189070^2 .

It is a cyclic number.

It is not a de Polignac number, because 132101212181 - 234 = 114921342997 is a prime.

It is a super-2 number, since 2×1321012121812 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (132101212121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66050606090 + 66050606091.

It is an arithmetic number, because the mean of its divisors is an integer number (66050606091).

Almost surely, 2132101212181 is an apocalyptic number.

It is an amenable number.

132101212181 is a deficient number, since it is larger than the sum of its proper divisors (1).

132101212181 is an equidigital number, since it uses as much as digits as its factorization.

132101212181 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 192, while the sum is 23.

The spelling of 132101212181 in words is "one hundred thirty-two billion, one hundred one million, two hundred twelve thousand, one hundred eighty-one".