Base | Representation |
---|---|
bin | 10001001111001010… |
… | …01011100011101001 |
3 | 212212221000112110200 |
4 | 20213211023203221 |
5 | 122423010231211 |
6 | 4130133102413 |
7 | 445215432333 |
oct | 104745134351 |
9 | 25787015420 |
10 | 9253992681 |
11 | 3a1970173a |
12 | 1963187a09 |
13 | b4629011b |
14 | 63b050453 |
15 | 39264db56 |
hex | 22794b8e9 |
9253992681 has 12 divisors (see below), whose sum is σ = 13367833908. Its totient is φ = 6168887424.
The previous prime is 9253992673. The next prime is 9253992751. The reversal of 9253992681 is 1862993529.
It is a happy number.
9253992681 is a `hidden beast` number, since 9 + 2 + 539 + 9 + 26 + 81 = 666.
9253992681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 2 ways, for example, as 4968981081 + 4285011600 = 70491^2 + 65460^2 .
It is not a de Polignac number, because 9253992681 - 23 = 9253992673 is a prime.
It is a super-2 number, since 2×92539926812 (a number of 21 digits) contains 22 as substring.
It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.
It is not an unprimeable number, because it can be changed into a prime (9253992641) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 141781 + ... + 196493.
It is an arithmetic number, because the mean of its divisors is an integer number (1113986159).
Almost surely, 29253992681 is an apocalyptic number.
It is an amenable number.
9253992681 is a deficient number, since it is larger than the sum of its proper divisors (4113841227).
9253992681 is a wasteful number, since it uses less digits than its factorization.
9253992681 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73512 (or 73509 counting only the distinct ones).
The product of its digits is 2099520, while the sum is 54.
The square root of 9253992681 is about 96197.6750290775. The cubic root of 9253992681 is about 2099.4702126151.
The spelling of 9253992681 in words is "nine billion, two hundred fifty-three million, nine hundred ninety-two thousand, six hundred eighty-one".
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