Base | Representation |
---|---|
bin | 1101001100010000… |
… | …00110101000101001 |
3 | 200021120020102211011 |
4 | 12212020012220221 |
5 | 104001010000411 |
6 | 3130430103521 |
7 | 340333636336 |
oct | 64610065051 |
9 | 20246212734 |
10 | 7082109481 |
11 | 3004736747 |
12 | 145794aba1 |
13 | 88b324535 |
14 | 4b281198d |
15 | 2b6b37c21 |
hex | 1a6206a29 |
7082109481 has 2 divisors, whose sum is σ = 7082109482. Its totient is φ = 7082109480.
The previous prime is 7082109361. The next prime is 7082109487. The reversal of 7082109481 is 1849012807.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 4523773081 + 2558336400 = 67259^2 + 50580^2 .
It is a cyclic number.
It is not a de Polignac number, because 7082109481 - 215 = 7082076713 is a prime.
It is a super-2 number, since 2×70821094812 (a number of 21 digits) contains 22 as substring.
It is not a weakly prime, because it can be changed into another prime (7082109487) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3541054740 + 3541054741.
It is an arithmetic number, because the mean of its divisors is an integer number (3541054741).
Almost surely, 27082109481 is an apocalyptic number.
It is an amenable number.
7082109481 is a deficient number, since it is larger than the sum of its proper divisors (1).
7082109481 is an equidigital number, since it uses as much as digits as its factorization.
7082109481 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 32256, while the sum is 40.
The square root of 7082109481 is about 84155.2700726461. The cubic root of 7082109481 is about 1920.3816408060.
The spelling of 7082109481 in words is "seven billion, eighty-two million, one hundred nine thousand, four hundred eighty-one".
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