Base | Representation |
---|---|
bin | 1111010110001… |
… | …10110010000011 |
3 | 22222020200202001 |
4 | 13223012302003 |
5 | 230424143413 |
6 | 20435204431 |
7 | 3122163454 |
oct | 753066203 |
9 | 288220661 |
10 | 128740483 |
11 | 667416a3 |
12 | 37146717 |
13 | 20897401 |
14 | 1315312b |
15 | b4804dd |
hex | 7ac6c83 |
128740483 has 8 divisors (see below), whose sum is σ = 133333200. Its totient is φ = 124158048.
The previous prime is 128740481. The next prime is 128740519. The reversal of 128740483 is 384047821.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 128740483 - 21 = 128740481 is a prime.
It is a super-2 number, since 2×1287404832 = 33148223926146578, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (128740481) 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, 30160 + ... + 34162.
It is an arithmetic number, because the mean of its divisors is an integer number (16666650).
Almost surely, 2128740483 is an apocalyptic number.
128740483 is a deficient number, since it is larger than the sum of its proper divisors (4592717).
128740483 is a wasteful number, since it uses less digits than its factorization.
128740483 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5141.
The product of its (nonzero) digits is 43008, while the sum is 37.
The square root of 128740483 is about 11346.3863410339. The cubic root of 128740483 is about 504.9383749917.
The spelling of 128740483 in words is "one hundred twenty-eight million, seven hundred forty thousand, four hundred eighty-three".
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