Base | Representation |
---|---|
bin | 10010010001010101… |
… | …01101010111001011 |
3 | 221022121112101211110 |
4 | 21020222231113023 |
5 | 130042111334440 |
6 | 4301202501403 |
7 | 465035614005 |
oct | 111052552713 |
9 | 27277471743 |
10 | 9809089995 |
11 | 4183a80551 |
12 | 1a99064863 |
13 | c04296783 |
14 | 690a69375 |
15 | 3c624c080 |
hex | 248aad5cb |
9809089995 has 16 divisors (see below), whose sum is σ = 15774216480. Its totient is φ = 5204957184.
The previous prime is 9809089993. The next prime is 9809089999. The reversal of 9809089995 is 5999809089.
9809089995 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 9809089995 - 21 = 9809089993 is a prime.
It is not an unprimeable number, because it can be changed into a prime (9809089991) 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 15 ways as a sum of consecutive naturals, for example, 1656790 + ... + 1662699.
It is an arithmetic number, because the mean of its divisors is an integer number (985888530).
Almost surely, 29809089995 is an apocalyptic number.
9809089995 is a deficient number, since it is larger than the sum of its proper divisors (5965126485).
9809089995 is a wasteful number, since it uses less digits than its factorization.
9809089995 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3319694.
The product of its (nonzero) digits is 18895680, while the sum is 66.
The square root of 9809089995 is about 99040.8501326599. The cubic root of 9809089995 is about 2140.6364016215.
The spelling of 9809089995 in words is "nine billion, eight hundred nine million, eighty-nine thousand, nine hundred ninety-five".
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