Base | Representation |
---|---|
bin | 101111111111010… |
… | …111011010010011 |
3 | 2002010000100121021 |
4 | 233333113122103 |
5 | 3122103440430 |
6 | 211520540311 |
7 | 25644402163 |
oct | 5777273223 |
9 | 2063010537 |
10 | 805140115 |
11 | 38353175a |
12 | 1a5781697 |
13 | caa62690 |
14 | 78d065a3 |
15 | 4aa4007a |
hex | 2ffd7693 |
805140115 has 8 divisors (see below), whose sum is σ = 1040488848. Its totient is φ = 594564960.
The previous prime is 805140073. The next prime is 805140151. The reversal of 805140115 is 511041508.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 805140115 - 211 = 805138067 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 805140115.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6193321 + ... + 6193450.
It is an arithmetic number, because the mean of its divisors is an integer number (130061106).
Almost surely, 2805140115 is an apocalyptic number.
805140115 is a deficient number, since it is larger than the sum of its proper divisors (235348733).
805140115 is a wasteful number, since it uses less digits than its factorization.
805140115 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 12386789.
The product of its (nonzero) digits is 800, while the sum is 25.
The square root of 805140115 is about 28374.9910132144. The cubic root of 805140115 is about 930.3017154171.
The spelling of 805140115 in words is "eight hundred five million, one hundred forty thousand, one hundred fifteen".
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