Base | Representation |
---|---|
bin | 1110010101010… |
… | …11111111000000 |
3 | 22101020221011120 |
4 | 13022223333000 |
5 | 221240221422 |
6 | 15533112240 |
7 | 2660020044 |
oct | 712537700 |
9 | 271227146 |
10 | 120242112 |
11 | 61967751 |
12 | 34328680 |
13 | 1bbb01a3 |
14 | 11d80024 |
15 | a85245c |
hex | 72abfc0 |
120242112 has 28 divisors (see below), whose sum is σ = 318141096. Its totient is φ = 40080640.
The previous prime is 120242063. The next prime is 120242117. The reversal of 120242112 is 211242021.
It is a junction number, because it is equal to n+sod(n) for n = 120242091 and 120242100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120242117) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 312939 + ... + 313322.
It is an arithmetic number, because the mean of its divisors is an integer number (11362182).
Almost surely, 2120242112 is an apocalyptic number.
120242112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
120242112 is an abundant number, since it is smaller than the sum of its proper divisors (197898984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120242112 is an equidigital number, since it uses as much as digits as its factorization.
120242112 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 626276 (or 626266 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
The square root of 120242112 is about 10965.4964319907. The cubic root of 120242112 is about 493.5739139872.
Adding to 120242112 its reverse (211242021), we get a palindrome (331484133).
Subtracting 120242112 from its reverse (211242021), we obtain a palindrome (90999909).
The spelling of 120242112 in words is "one hundred twenty million, two hundred forty-two thousand, one hundred twelve".
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