Base | Representation |
---|---|
bin | 1001111111001… |
… | …11010110001101 |
3 | 12211122201112220 |
4 | 10333213112031 |
5 | 132422110401 |
6 | 12151445553 |
7 | 2035106301 |
oct | 477472615 |
9 | 184581486 |
10 | 83785101 |
11 | 43326a94 |
12 | 240868b9 |
13 | 144871aa |
14 | b1add01 |
15 | 7550336 |
hex | 4fe758d |
83785101 has 4 divisors (see below), whose sum is σ = 111713472. Its totient is φ = 55856732.
The previous prime is 83785073. The next prime is 83785127. The reversal of 83785101 is 10158738.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 83785101 - 214 = 83768717 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83785201) 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 3 ways as a sum of consecutive naturals, for example, 13964181 + ... + 13964186.
It is an arithmetic number, because the mean of its divisors is an integer number (27928368).
Almost surely, 283785101 is an apocalyptic number.
It is an amenable number.
83785101 is a deficient number, since it is larger than the sum of its proper divisors (27928371).
83785101 is a wasteful number, since it uses less digits than its factorization.
83785101 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 27928370.
The product of its (nonzero) digits is 6720, while the sum is 33.
The square root of 83785101 is about 9153.4201804571. The cubic root of 83785101 is about 437.5781211245.
The spelling of 83785101 in words is "eighty-three million, seven hundred eighty-five thousand, one hundred one".
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