Base | Representation |
---|---|
bin | 1111000011010111… |
… | …01111100110001010 |
3 | 202212012101222120021 |
4 | 13201223233212022 |
5 | 113022303324132 |
6 | 3413522251054 |
7 | 404155661563 |
oct | 74153574612 |
9 | 22765358507 |
10 | 8081308042 |
11 | 3477762385 |
12 | 16964b6a8a |
13 | 9ba3409a2 |
14 | 5693d116a |
15 | 32470b997 |
hex | 1e1aef98a |
8081308042 has 8 divisors (see below), whose sum is σ = 12124542816. Its totient is φ = 4039793772.
The previous prime is 8081308013. The next prime is 8081308049. The reversal of 8081308042 is 2408031808.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 8081307989 and 8081308007.
It is not an unprimeable number, because it can be changed into a prime (8081308049) 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 3 ways as a sum of consecutive naturals, for example, 418318 + ... + 437209.
It is an arithmetic number, because the mean of its divisors is an integer number (1515567852).
Almost surely, 28081308042 is an apocalyptic number.
8081308042 is a deficient number, since it is larger than the sum of its proper divisors (4043234774).
8081308042 is a wasteful number, since it uses less digits than its factorization.
8081308042 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 860252.
The product of its (nonzero) digits is 12288, while the sum is 34.
The square root of 8081308042 is about 89896.0958106635. The cubic root of 8081308042 is about 2006.7528440539.
The spelling of 8081308042 in words is "eight billion, eighty-one million, three hundred eight thousand, forty-two".
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