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11120110231 = 79140760889
BaseRepresentation
bin10100101101100111…
…10110101010010111
31001200222110010111111
422112303312222113
5140233222011411
65035234315451
7542365243306
oct122663665227
931628403444
1011120110231
11479701544a
1221a4128b87
131082a8c7a9
14776c1843d
154513b7721
hex296cf6a97

11120110231 has 4 divisors (see below), whose sum is σ = 11260871200. Its totient is φ = 10979349264.

The previous prime is 11120110187. The next prime is 11120110237. The reversal of 11120110231 is 13201102111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11120110231 - 227 = 10985892503 is a prime.

It is a super-2 number, since 2×111201102312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11120110237) 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, 70380366 + ... + 70380523.

It is an arithmetic number, because the mean of its divisors is an integer number (2815217800).

Almost surely, 211120110231 is an apocalyptic number.

11120110231 is a deficient number, since it is larger than the sum of its proper divisors (140760969).

11120110231 is an equidigital number, since it uses as much as digits as its factorization.

11120110231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140760968.

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

Adding to 11120110231 its reverse (13201102111), we get a palindrome (24321212342).

The spelling of 11120110231 in words is "eleven billion, one hundred twenty million, one hundred ten thousand, two hundred thirty-one".

Divisors: 1 79 140760889 11120110231