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111110011011 = 345443252017
BaseRepresentation
bin110011101111010101…
…1000011100010000011
3101121210110002101020000
41213132223003202003
53310023130323021
6123013201051043
711012260340106
oct1473653034203
9347713071200
10111110011011
114313778288a
121964a626a83
13a62947445c
1455407aa73d
152d547a9b26
hex19deac3883

111110011011 has 20 divisors (see below), whose sum is σ = 166010305032. Its totient is φ = 74059437888.

The previous prime is 111110011009. The next prime is 111110011021. The reversal of 111110011011 is 110110011111.

It is not a de Polignac number, because 111110011011 - 21 = 111110011009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 111110010984 and 111110011002.

It is not an unprimeable number, because it can be changed into a prime (111110011021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 314875 + ... + 566891.

Almost surely, 2111110011011 is an apocalyptic number.

111110011011 is a deficient number, since it is larger than the sum of its proper divisors (54900294021).

111110011011 is an equidigital number, since it uses as much as digits as its factorization.

111110011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257472 (or 257463 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111110011011 its reverse (110110011111), we get a palindrome (221220022122).

The spelling of 111110011011 in words is "one hundred eleven billion, one hundred ten million, eleven thousand, eleven".

Divisors: 1 3 9 27 81 5443 16329 48987 146961 252017 440883 756051 2268153 6804459 20413377 1371728531 4115185593 12345556779 37036670337 111110011011