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11010081 = 33670027
BaseRepresentation
bin101010000000…
…000000100001
3202201100222210
4222000000201
510304310311
61031552333
7162404235
oct52000041
922640883
1011010081
116240045
12382b6a9
132386554
1416685c5
15e773a6
hexa80021

11010081 has 4 divisors (see below), whose sum is σ = 14680112. Its totient is φ = 7340052.

The previous prime is 11010059. The next prime is 11010113. The reversal of 11010081 is 18001011.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11010081 - 27 = 11009953 is a prime.

It is a super-2 number, since 2×110100812 = 242443767253122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11010281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1835011 + ... + 1835016.

It is an arithmetic number, because the mean of its divisors is an integer number (3670028).

Almost surely, 211010081 is an apocalyptic number.

It is an amenable number.

11010081 is a deficient number, since it is larger than the sum of its proper divisors (3670031).

11010081 is an equidigital number, since it uses as much as digits as its factorization.

11010081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670030.

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 11010081 is about 3318.1442102476. The cubic root of 11010081 is about 222.4659275352.

Adding to 11010081 its reverse (18001011), we get a palindrome (29011092).

The spelling of 11010081 in words is "eleven million, ten thousand, eighty-one".

Divisors: 1 3 3670027 11010081