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11113231111 = 107199752009
BaseRepresentation
bin10100101100110011…
…00111001100000111
31001200111111122010021
422112121213030013
5140224441343421
65034431040011
7542252622463
oct122631471407
931614448107
1011113231111
114793147024
1221a1970007
1310815215c8
14775d474a3
154509a9341
hex296667307

11113231111 has 8 divisors (see below), whose sum is σ = 11222925840. Its totient is φ = 11003644608.

The previous prime is 11113231099. The next prime is 11113231123.

11113231111 is nontrivially palindromic in base 10.

11113231111 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11113231099) and next prime (11113231123).

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 11113231111 - 25 = 11113231079 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 (11113231411) 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 7 ways as a sum of consecutive naturals, for example, 187675 + ... + 239683.

It is an arithmetic number, because the mean of its divisors is an integer number (1402865730).

Almost surely, 211113231111 is an apocalyptic number.

11113231111 is a deficient number, since it is larger than the sum of its proper divisors (109694729).

11113231111 is a wasteful number, since it uses less digits than its factorization.

11113231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54113.

The product of its digits is 18, while the sum is 16.

The spelling of 11113231111 in words is "eleven billion, one hundred thirteen million, two hundred thirty-one thousand, one hundred eleven".

Divisors: 1 107 1997 52009 213679 5564963 103861973 11113231111