Search a number
-
+
110101010000081 is a prime number
BaseRepresentation
bin11001000010001011100011…
…100101110010100011010001
3112102211112221200200110000012
4121002023203211302203101
5103412343332030000311
61030055412234404305
732122351444405652
oct3102134345624321
9472745850613005
10110101010000081
11320996378aa301
1210422391590695
13495863310c989
141d28cbb193529
15cadea745678b
hex6422e39728d1

110101010000081 has 2 divisors, whose sum is σ = 110101010000082. Its totient is φ = 110101010000080.

The previous prime is 110101010000077. The next prime is 110101010000117. The reversal of 110101010000081 is 180000010101011.

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., 110080301351056 + 20708649025 = 10491916^2 + 143905^2 .

It is a cyclic number.

It is not a de Polignac number, because 110101010000081 - 22 = 110101010000077 is a prime.

It is a super-2 number, since 2×1101010100000812 (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (110101010000071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55050505000040 + 55050505000041.

It is an arithmetic number, because the mean of its divisors is an integer number (55050505000041).

Almost surely, 2110101010000081 is an apocalyptic number.

It is an amenable number.

110101010000081 is a deficient number, since it is larger than the sum of its proper divisors (1).

110101010000081 is an equidigital number, since it uses as much as digits as its factorization.

110101010000081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 110101010000081 its reverse (180000010101011), we get a palindrome (290101020101092).

The spelling of 110101010000081 in words is "one hundred ten trillion, one hundred one billion, ten million, eighty-one", and thus it is an aban number.