Base | Representation |
---|---|
bin | 1110111100000100… |
… | …01011110111011100 |
3 | 202200221012101102021 |
4 | 13132002023313130 |
5 | 112411120112030 |
6 | 3403454105524 |
7 | 402513400450 |
oct | 73602136734 |
9 | 22627171367 |
10 | 8020082140 |
11 | 3446144464 |
12 | 1679aab2a4 |
13 | 9aa754a45 |
14 | 561214660 |
15 | 31e16597a |
hex | 1de08bddc |
8020082140 has 24 divisors (see below), whose sum is σ = 19248197472. Its totient is φ = 2749742400.
The previous prime is 8020082111. The next prime is 8020082141. The reversal of 8020082140 is 412800208.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (8020082141) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28643011 + ... + 28643290.
It is an arithmetic number, because the mean of its divisors is an integer number (802008228).
Almost surely, 28020082140 is an apocalyptic number.
It is an amenable number.
8020082140 is an abundant number, since it is smaller than the sum of its proper divisors (11228115332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
8020082140 is a wasteful number, since it uses less digits than its factorization.
8020082140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 57286317 (or 57286315 counting only the distinct ones).
The product of its (nonzero) digits is 1024, while the sum is 25.
The square root of 8020082140 is about 89554.9113114406. The cubic root of 8020082140 is about 2001.6721132956.
Adding to 8020082140 its reverse (412800208), we get a palindrome (8432882348).
The spelling of 8020082140 in words is "eight billion, twenty million, eighty-two thousand, one hundred forty".
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