Base | Representation |
---|---|
bin | 1111010000111101… |
… | …11010101010101001 |
3 | 210011011001202010202 |
4 | 13220132322222221 |
5 | 113241004323100 |
6 | 3433115321545 |
7 | 410042426501 |
oct | 75036725251 |
9 | 23134052122 |
10 | 8195386025 |
11 | 3526099902 |
12 | 17087502b5 |
13 | a07b73258 |
14 | 57a608a01 |
15 | 32e7427d5 |
hex | 1e87baaa9 |
8195386025 has 12 divisors (see below), whose sum is σ = 10354021452. Its totient is φ = 6432603840.
The previous prime is 8195386009. The next prime is 8195386079. The reversal of 8195386025 is 5206835918.
It can be written as a sum of positive squares in 6 ways, for example, as 180123241 + 8015262784 = 13421^2 + 89528^2 .
It is not a de Polignac number, because 8195386025 - 24 = 8195386009 is a prime.
It is a Duffinian number.
It is an unprimeable number.
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 11 ways as a sum of consecutive naturals, for example, 3091274 + ... + 3093923.
It is an arithmetic number, because the mean of its divisors is an integer number (862835121).
Almost surely, 28195386025 is an apocalyptic number.
It is an amenable number.
8195386025 is a deficient number, since it is larger than the sum of its proper divisors (2158635427).
8195386025 is a wasteful number, since it uses less digits than its factorization.
8195386025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 6185260 (or 6185255 counting only the distinct ones).
The product of its (nonzero) digits is 518400, while the sum is 47.
The square root of 8195386025 is about 90528.3713815730. The cubic root of 8195386025 is about 2016.1513840330.
The spelling of 8195386025 in words is "eight billion, one hundred ninety-five million, three hundred eighty-six thousand, twenty-five".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.069 sec. • engine limits •