Base | Representation |
---|---|
bin | 1110010100011… |
… | …00111110110000 |
3 | 22101000110222011 |
4 | 13022030332300 |
5 | 221222140440 |
6 | 15530252304 |
7 | 2655650566 |
oct | 712147660 |
9 | 271013864 |
10 | 120115120 |
11 | 618902a4 |
12 | 34287094 |
13 | 1bb67448 |
14 | 11d49a36 |
15 | a8299ea |
hex | 728cfb0 |
120115120 has 40 divisors (see below), whose sum is σ = 280026720. Its totient is φ = 47915520.
The previous prime is 120115109. The next prime is 120115147. The reversal of 120115120 is 21511021.
It is a tau number, because it is divible by the number of its divisors (40).
It is a super-2 number, since 2×1201151202 = 28855284105228800, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 120115120.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30885 + ... + 34555.
It is an arithmetic number, because the mean of its divisors is an integer number (7000668).
Almost surely, 2120115120 is an apocalyptic number.
120115120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
120115120 is an abundant number, since it is smaller than the sum of its proper divisors (159911600).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120115120 is a wasteful number, since it uses less digits than its factorization.
120115120 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4093 (or 4087 counting only the distinct ones).
The product of its (nonzero) digits is 20, while the sum is 13.
The square root of 120115120 is about 10959.7043755751. The cubic root of 120115120 is about 493.4000924184.
Adding to 120115120 its reverse (21511021), we get a palindrome (141626141).
The spelling of 120115120 in words is "one hundred twenty million, one hundred fifteen thousand, one hundred twenty".
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