Base | Representation |
---|---|
bin | 1110011001000… |
… | …10110010110010 |
3 | 22102011122201100 |
4 | 13030202302302 |
5 | 221401310004 |
6 | 15551345230 |
7 | 2664114606 |
oct | 714426262 |
9 | 272148640 |
10 | 120728754 |
11 | 6216a333 |
12 | 34522216 |
13 | 1c020843 |
14 | 12069506 |
15 | a8eb739 |
hex | 7322cb2 |
120728754 has 12 divisors (see below), whose sum is σ = 261579006. Its totient is φ = 40242912.
The previous prime is 120728749. The next prime is 120728779. The reversal of 120728754 is 457827021.
It can be written as a sum of positive squares in only one way, i.e., 64883025 + 55845729 = 8055^2 + 7473^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3353559 + ... + 3353594.
Almost surely, 2120728754 is an apocalyptic number.
120728754 is an abundant number, since it is smaller than the sum of its proper divisors (140850252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
120728754 is a wasteful number, since it uses less digits than its factorization.
120728754 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6707161 (or 6707158 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The square root of 120728754 is about 10987.6637189168. The cubic root of 120728754 is about 494.2388792617.
The spelling of 120728754 in words is "one hundred twenty million, seven hundred twenty-eight thousand, seven hundred fifty-four".
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