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111010011011 = 800391386949
BaseRepresentation
bin110011101100010110…
…1100101011110000011
3101121112110220212000022
41213120231211132003
53304322030323021
6122555225444055
711006634344654
oct1473055453603
9347473825008
10111010011011
1143096291359
121962104062b
13a611830963
1455313b952b
152d4ab051ab
hex19d8b65783

111010011011 has 4 divisors (see below), whose sum is σ = 111011478000. Its totient is φ = 111008544024.

The previous prime is 111010010957. The next prime is 111010011043. The reversal of 111010011011 is 110110010111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110110010111 = 1091010183579.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-111010011011 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111010011011.

It is not an unprimeable number, because it can be changed into a prime (111010011071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 613436 + ... + 773513.

It is an arithmetic number, because the mean of its divisors is an integer number (27752869500).

Almost surely, 2111010011011 is an apocalyptic number.

111010011011 is a deficient number, since it is larger than the sum of its proper divisors (1466989).

111010011011 is an equidigital number, since it uses as much as digits as its factorization.

111010011011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1466988.

The product of its (nonzero) digits is 1, while the sum is 8.

Adding to 111010011011 its reverse (110110010111), we get a palindrome (221120021122).

The spelling of 111010011011 in words is "one hundred eleven billion, ten million, eleven thousand, eleven".

Divisors: 1 80039 1386949 111010011011