Base | Representation |
---|---|
bin | 110011101100011010… |
… | …1101000011010010100 |
3 | 101121112121220000021212 |
4 | 1213120311220122110 |
5 | 3304323100321322 |
6 | 122555343000552 |
7 | 11006661311150 |
oct | 1473065503224 |
9 | 347477800255 |
10 | 111012120212 |
11 | 430974a1aa4 |
12 | 19621899158 |
13 | a6120bb9c6 |
14 | 55317a8060 |
15 | 2d4adc00e2 |
hex | 19d8d68694 |
111012120212 has 48 divisors (see below), whose sum is σ = 222621315840. Its totient is φ = 47448825600.
The previous prime is 111012120187. The next prime is 111012120217. The reversal of 111012120212 is 212021210111.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (111012120217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34787537 + ... + 34790727.
It is an arithmetic number, because the mean of its divisors is an integer number (4637944080).
Almost surely, 2111012120212 is an apocalyptic number.
It is an amenable number.
111012120212 is an abundant number, since it is smaller than the sum of its proper divisors (111609195628).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
111012120212 is a wasteful number, since it uses less digits than its factorization.
111012120212 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6152 (or 6150 counting only the distinct ones).
The product of its (nonzero) digits is 16, while the sum is 14.
Adding to 111012120212 its reverse (212021210111), we get a palindrome (323033330323).
The spelling of 111012120212 in words is "one hundred eleven billion, twelve million, one hundred twenty thousand, two hundred twelve".
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