| Base | Representation |
|---|---|
| bin | 110011101111011001… |
| … | …0101011100110000000 |
| 3 | 101121210120211221110210 |
| 4 | 1213132302223212000 |
| 5 | 3310024133310422 |
| 6 | 123013311554120 |
| 7 | 11012313334305 |
| oct | 1473662534600 |
| 9 | 347716757423 |
| 10 | 111112010112 |
| 11 | 43138918834 |
| 12 | 1964b22b940 |
| 13 | a6299c435c |
| 14 | 5540b6b0ac |
| 15 | 2d54a5210c |
| hex | 19decab980 |
111112010112 has 128 divisors (see below), whose sum is σ = 299335564800. Its totient is φ = 36514150400.
The previous prime is 111112010099. The next prime is 111112010117. The reversal of 111112010112 is 211010211111.
It is a tau number, because it is divible by the number of its divisors (128).
It is a super-2 number, since 2×1111120101122 (a number of 23 digits) contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (12).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111112010117) 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 15 ways as a sum of consecutive naturals, for example, 9263383 + ... + 9275369.
It is an arithmetic number, because the mean of its divisors is an integer number (2338559100).
Almost surely, 2111112010112 is an apocalyptic number.
111112010112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 111112010112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149667782400).
111112010112 is an abundant number, since it is smaller than the sum of its proper divisors (188223554688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111112010112 is a wasteful number, since it uses less digits than its factorization.
111112010112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12344 (or 12332 counting only the distinct ones).
The product of its (nonzero) digits is 4, while the sum is 12.
Adding to 111112010112 its reverse (211010211111), we get a palindrome (322122221223).
The spelling of 111112010112 in words is "one hundred eleven billion, one hundred twelve million, ten thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •