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13110221101 = 15783504593
BaseRepresentation
bin11000011010110111…
…00001100100101101
31020211200012020101111
430031123201210231
5203322204033401
610004525312021
7642612016645
oct141533414455
936750166344
1013110221101
11561841817a
12265a705611
13130c1838a3
148c525b525
1551ae74e51
hex30d6e192d

13110221101 has 4 divisors (see below), whose sum is σ = 13193725852. Its totient is φ = 13026716352.

The previous prime is 13110221051. The next prime is 13110221147. The reversal of 13110221101 is 10112201131.

It is a happy number.

13110221101 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10112201131 = 40241251291.

It can be written as a sum of positive squares in 2 ways, for example, as 8688104100 + 4422117001 = 93210^2 + 66499^2 .

It is a cyclic number.

It is not a de Polignac number, because 13110221101 - 213 = 13110212909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13110251101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41752140 + ... + 41752453.

It is an arithmetic number, because the mean of its divisors is an integer number (3298431463).

Almost surely, 213110221101 is an apocalyptic number.

It is an amenable number.

13110221101 is a deficient number, since it is larger than the sum of its proper divisors (83504751).

13110221101 is an equidigital number, since it uses as much as digits as its factorization.

13110221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83504750.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 13110221101 its reverse (10112201131), we get a palindrome (23222422232).

The spelling of 13110221101 in words is "thirteen billion, one hundred ten million, two hundred twenty-one thousand, one hundred one".

Divisors: 1 157 83504593 13110221101