Base | Representation |
---|---|
bin | 1100101111011000… |
… | …10101111000100111 |
3 | 122122200120111200100 |
4 | 12113230111320213 |
5 | 103002011412022 |
6 | 3050415515143 |
7 | 331333423530 |
oct | 62754257047 |
9 | 18580514610 |
10 | 6839950887 |
11 | 299aa79380 |
12 | 13aa828ab3 |
13 | 8500c9023 |
14 | 48c5b7687 |
15 | 2a07521ac |
hex | 197b15e27 |
6839950887 has 192 divisors, whose sum is σ = 13495173120. Its totient is φ = 3233260800.
The previous prime is 6839950883. The next prime is 6839950951. The reversal of 6839950887 is 7880599386.
6839950887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 6839950887 - 22 = 6839950883 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (63).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6839950883) by changing a digit.
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 191 ways as a sum of consecutive naturals, for example, 53857818 + ... + 53857944.
It is an arithmetic number, because the mean of its divisors is an integer number (70287360).
Almost surely, 26839950887 is an apocalyptic number.
6839950887 is a deficient number, since it is larger than the sum of its proper divisors (6655222233).
6839950887 is a wasteful number, since it uses less digits than its factorization.
6839950887 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 314 (or 311 counting only the distinct ones).
The product of its (nonzero) digits is 26127360, while the sum is 63.
The square root of 6839950887 is about 82703.9955927161. The cubic root of 6839950887 is about 1898.2394482979.
The spelling of 6839950887 in words is "six billion, eight hundred thirty-nine million, nine hundred fifty thousand, eight hundred eighty-seven".
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