Base | Representation |
---|---|
bin | 111000011011100011… |
… | …1001111100111000000 |
3 | 102120210111120022221110 |
4 | 1300313013033213000 |
5 | 3441141013330422 |
6 | 131400535523320 |
7 | 11520021465414 |
oct | 1606707174700 |
9 | 376714508843 |
10 | 121183730112 |
11 | 47437069075 |
12 | 1b5a0229540 |
13 | b5735031a3 |
14 | 5c1863cd44 |
15 | 3243d7a60c |
hex | 1c371cf9c0 |
121183730112 has 56 divisors (see below), whose sum is σ = 323806578192. Its totient is φ = 39994624000.
The previous prime is 121183730111. The next prime is 121183730123. The reversal of 121183730112 is 211037381121.
It is a self number, because there is not a number n which added to its sum of digits gives 121183730112.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (121183730111) 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 7 ways as a sum of consecutive naturals, for example, 3105189 + ... + 3143972.
Almost surely, 2121183730112 is an apocalyptic number.
121183730112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
121183730112 is an abundant number, since it is smaller than the sum of its proper divisors (202622848080).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121183730112 is a wasteful number, since it uses less digits than its factorization.
121183730112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6249277 (or 6249267 counting only the distinct ones).
The product of its (nonzero) digits is 2016, while the sum is 30.
The spelling of 121183730112 in words is "one hundred twenty-one billion, one hundred eighty-three million, seven hundred thirty thousand, one hundred twelve".
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