Base | Representation |
---|---|
bin | 110011101111011001… |
… | …0101110000010010000 |
3 | 101121210120212110012011 |
4 | 1213132302232002100 |
5 | 3310024134120422 |
6 | 123013312112304 |
7 | 11012313405412 |
oct | 1473662560220 |
9 | 347716773164 |
10 | 111112020112 |
11 | 431389252a5 |
12 | 1964b235694 |
13 | a6299c8a82 |
14 | 5540b709b2 |
15 | 2d54a55077 |
hex | 19decae090 |
111112020112 has 40 divisors (see below), whose sum is σ = 216338887800. Its totient is φ = 55282900992.
The previous prime is 111112020073. The next prime is 111112020119. The reversal of 111112020112 is 211020211111.
It is a happy number.
It can be written as a sum of positive squares in 4 ways, for example, as 59762647296 + 51349372816 = 244464^2 + 226604^2 .
It is a junction number, because it is equal to n+sod(n) for n = 111112020092 and 111112020101.
It is not an unprimeable number, because it can be changed into a prime (111112020119) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7573488 + ... + 7588144.
It is an arithmetic number, because the mean of its divisors is an integer number (5408472195).
Almost surely, 2111112020112 is an apocalyptic number.
It is an amenable number.
111112020112 is a deficient number, since it is larger than the sum of its proper divisors (105226867688).
111112020112 is a wasteful number, since it uses less digits than its factorization.
111112020112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 16963 (or 16957 counting only the distinct ones).
The product of its (nonzero) digits is 8, while the sum is 13.
Adding to 111112020112 its reverse (211020211111), we get a palindrome (322132231223).
The spelling of 111112020112 in words is "one hundred eleven billion, one hundred twelve million, twenty thousand, one hundred twelve".
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