Base | Representation |
---|---|
bin | 10000011111000… |
… | …00010000010001 |
3 | 100122012110020121 |
4 | 20033200100101 |
5 | 240400011001 |
6 | 21415510241 |
7 | 3266243344 |
oct | 1017402021 |
9 | 318173217 |
10 | 138282001 |
11 | 71069350 |
12 | 3a388381 |
13 | 22858390 |
14 | 1451845b |
15 | c2176a1 |
hex | 83e0411 |
138282001 has 16 divisors (see below), whose sum is σ = 163090368. Its totient is φ = 115588800.
The previous prime is 138281999. The next prime is 138282013. The reversal of 138282001 is 100282831.
It is a cyclic number.
It is not a de Polignac number, because 138282001 - 21 = 138281999 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (138282101) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37866 + ... + 41356.
It is an arithmetic number, because the mean of its divisors is an integer number (10193148).
Almost surely, 2138282001 is an apocalyptic number.
138282001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.
It is an amenable number.
138282001 is a deficient number, since it is larger than the sum of its proper divisors (24808367).
138282001 is a wasteful number, since it uses less digits than its factorization.
138282001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3792.
The product of its (nonzero) digits is 768, while the sum is 25.
The square root of 138282001 is about 11759.3367585081. The cubic root of 138282001 is about 517.1166862840.
The spelling of 138282001 in words is "one hundred thirty-eight million, two hundred eighty-two thousand, one".
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