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111011110001101 = 8910112349661809
BaseRepresentation
bin11001001111011011001001…
…110001110001100111001101
3112120001120002010101201222101
4121033123021301301213031
5104022301223130013401
61032033444440115101
732245200535646422
oct3117331161614715
9476046063351871
10111011110001101
113240a6025a6382
121054a844165a91
1349c33c21ca33b
141d5ad75acdd49
15cc79c14e6101
hex64f6c9c719cd

111011110001101 has 8 divisors (see below), whose sum is σ = 113369895415800. Its totient is φ = 108677023910400.

The previous prime is 111011110001053. The next prime is 111011110001117. The reversal of 111011110001101 is 101100011110111.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2340930600100 + 108670179401001 = 1530010^2 + 10424499^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 111011110001101 - 215 = 111011109968333 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 (111011110071101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6174821916 + ... + 6174839893.

It is an arithmetic number, because the mean of its divisors is an integer number (14171236926975).

Almost surely, 2111011110001101 is an apocalyptic number.

It is an amenable number.

111011110001101 is a deficient number, since it is larger than the sum of its proper divisors (2358785414699).

111011110001101 is a wasteful number, since it uses less digits than its factorization.

111011110001101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12349661999.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 111011110001101 its reverse (101100011110111), we get a palindrome (212111121111212).

The spelling of 111011110001101 in words is "one hundred eleven trillion, eleven billion, one hundred ten million, one thousand, one hundred one".

Divisors: 1 89 101 8989 12349661809 1099119901001 1247315842709 111011110001101