Base | Representation |
---|---|
bin | 1110010101101… |
… | …01101101110000 |
3 | 22101022221211201 |
4 | 13022311231300 |
5 | 221243010333 |
6 | 15534020544 |
7 | 2660244202 |
oct | 712655560 |
9 | 271287751 |
10 | 120281968 |
11 | 61994694 |
12 | 34347754 |
13 | 1bbc5381 |
14 | 11d90772 |
15 | a85e17d |
hex | 72b5b70 |
120281968 has 40 divisors (see below), whose sum is σ = 240783200. Its totient is φ = 58164480.
The previous prime is 120281957. The next prime is 120281969. The reversal of 120281968 is 869182021.
It is a Harshad number since it is a multiple of its sum of digits (37).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (120281969) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117298 + ... + 118318.
It is an arithmetic number, because the mean of its divisors is an integer number (6019580).
Almost surely, 2120281968 is an apocalyptic number.
It is an amenable number.
120281968 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
120281968 is a wasteful number, since it uses less digits than its factorization.
120281968 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1265 (or 1259 counting only the distinct ones).
The product of its (nonzero) digits is 13824, while the sum is 37.
The square root of 120281968 is about 10967.3136182020. The cubic root of 120281968 is about 493.6284420513.
The spelling of 120281968 in words is "one hundred twenty million, two hundred eighty-one thousand, nine hundred sixty-eight".
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