Base | Representation |
---|---|
bin | 10111011011011111101… |
… | …10110101100100001101 |
3 | 2211221221022101012020121 |
4 | 23231233312311210031 |
5 | 101142203043434014 |
6 | 1413454521144541 |
7 | 112106350051000 |
oct | 13555766654415 |
9 | 2757838335217 |
10 | 805035530509 |
11 | 29046062a361 |
12 | 11003092b151 |
13 | 5abb7298622 |
14 | 2ad6d035537 |
15 | 15e1a416124 |
hex | bb6fdb590d |
805035530509 has 16 divisors (see below), whose sum is σ = 950700736000. Its totient is φ = 681295869072.
The previous prime is 805035530503. The next prime is 805035530567. The reversal of 805035530509 is 905035530508.
It is a happy number.
It is not a de Polignac number, because 805035530509 - 29 = 805035529997 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (805035530503) 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, 14827602 + ... + 14881795.
It is an arithmetic number, because the mean of its divisors is an integer number (59418796000).
Almost surely, 2805035530509 is an apocalyptic number.
It is an amenable number.
805035530509 is a deficient number, since it is larger than the sum of its proper divisors (145665205491).
805035530509 is an equidigital number, since it uses as much as digits as its factorization.
805035530509 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29709497 (or 29709483 counting only the distinct ones).
The product of its (nonzero) digits is 405000, while the sum is 43.
Subtracting 805035530509 from its reverse (905035530508), we obtain a palindrome (99999999999).
The spelling of 805035530509 in words is "eight hundred five billion, thirty-five million, five hundred thirty thousand, five hundred nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.172 sec. • engine limits •