Base | Representation |
---|---|
bin | 1100101011100100… |
… | …11100001011010011 |
3 | 122120110102222120100 |
4 | 12111302130023103 |
5 | 102420321320331 |
6 | 3043314543443 |
7 | 330465001122 |
oct | 62562341323 |
9 | 18513388510 |
10 | 6807995091 |
11 | 2983a32527 |
12 | 139bb97b83 |
13 | 8465baa81 |
14 | 488259ab9 |
15 | 29ca3dae6 |
hex | 195c9c2d3 |
6807995091 has 12 divisors (see below), whose sum is σ = 9863484280. Its totient is φ = 4524949440.
The previous prime is 6807995069. The next prime is 6807995093. The reversal of 6807995091 is 1905997086.
6807995091 is a `hidden beast` number, since 68 + 0 + 79 + 9 + 509 + 1 = 666.
It is not a de Polignac number, because 6807995091 - 26 = 6807995027 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (6807995093) 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, 1139686 + ... + 1145643.
Almost surely, 26807995091 is an apocalyptic number.
6807995091 is a deficient number, since it is larger than the sum of its proper divisors (3055489189).
6807995091 is a wasteful number, since it uses less digits than its factorization.
6807995091 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2285666 (or 2285663 counting only the distinct ones).
The product of its (nonzero) digits is 1224720, while the sum is 54.
The square root of 6807995091 is about 82510.5756312486. The cubic root of 6807995091 is about 1895.2786831482.
The spelling of 6807995091 in words is "six billion, eight hundred seven million, nine hundred ninety-five thousand, ninety-one".
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