Base | Representation |
---|---|
bin | 1110010110011… |
… | …11010011111100 |
3 | 22101112021122211 |
4 | 13023033103330 |
5 | 221304334222 |
6 | 15540150204 |
7 | 2661161650 |
oct | 713172374 |
9 | 271467584 |
10 | 120386812 |
11 | 61a56437 |
12 | 34398364 |
13 | 1bc31000 |
14 | 11dbaa60 |
15 | a880277 |
hex | 72cf4fc |
120386812 has 96 divisors (see below), whose sum is σ = 277222400. Its totient is φ = 44680896.
The previous prime is 120386803. The next prime is 120386813. The reversal of 120386812 is 218683021.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120386813) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1168753 + ... + 1168855.
Almost surely, 2120386812 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 120386812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138611200).
120386812 is an abundant number, since it is smaller than the sum of its proper divisors (156835588).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120386812 is a wasteful number, since it uses less digits than its factorization.
120386812 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 172 (or 144 counting only the distinct ones).
The product of its (nonzero) digits is 4608, while the sum is 31.
The square root of 120386812 is about 10972.0924166724. The cubic root of 120386812 is about 493.7718244479.
The spelling of 120386812 in words is "one hundred twenty million, three hundred eighty-six thousand, eight hundred twelve".
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