Base | Representation |
---|---|
bin | 110100010000011110… |
… | …0111111111011100111 |
3 | 101201122221111211120220 |
4 | 1220200330333323213 |
5 | 3314312313323421 |
6 | 123315403055423 |
7 | 11051652232650 |
oct | 1504074777347 |
9 | 351587454526 |
10 | 112222011111 |
11 | 43658443a31 |
12 | 198bab11573 |
13 | a775967192 |
14 | 5608350527 |
15 | 2dbc2113c6 |
hex | 1a20f3fee7 |
112222011111 has 32 divisors (see below), whose sum is σ = 171830722560. Its totient is φ = 63817449696.
The previous prime is 112222011089. The next prime is 112222011133. The reversal of 112222011111 is 111110222211.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (112222011089) and next prime (112222011133).
It is not a de Polignac number, because 112222011111 - 222 = 112217816807 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (112222011151) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18678870 + ... + 18684876.
It is an arithmetic number, because the mean of its divisors is an integer number (5369710080).
Almost surely, 2112222011111 is an apocalyptic number.
112222011111 is a deficient number, since it is larger than the sum of its proper divisors (59608711449).
112222011111 is a wasteful number, since it uses less digits than its factorization.
112222011111 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10163.
The product of its (nonzero) digits is 16, while the sum is 15.
Adding to 112222011111 its reverse (111110222211), we get a palindrome (223332233322).
The spelling of 112222011111 in words is "one hundred twelve billion, two hundred twenty-two million, eleven thousand, one hundred eleven".
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