Base | Representation |
---|---|
bin | 1011111010101011… |
… | …01000010011101110 |
3 | 121111212120101011210 |
4 | 11331111220103232 |
5 | 101100313230142 |
6 | 2534502455250 |
7 | 314354212203 |
oct | 57525502356 |
9 | 17455511153 |
10 | 6397789422 |
11 | 2793426982 |
12 | 12a6734526 |
13 | 7ac61511b |
14 | 449999caa |
15 | 276a1149c |
hex | 17d5684ee |
6397789422 has 16 divisors (see below), whose sum is σ = 12796543872. Its totient is φ = 2132435640.
The previous prime is 6397789381. The next prime is 6397789427. The reversal of 6397789422 is 2249877936.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6397789427) 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 7 ways as a sum of consecutive naturals, for example, 68647 + ... + 132317.
It is an arithmetic number, because the mean of its divisors is an integer number (799783992).
Almost surely, 26397789422 is an apocalyptic number.
6397789422 is an abundant number, since it is smaller than the sum of its proper divisors (6398754450).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6397789422 is a wasteful number, since it uses less digits than its factorization.
6397789422 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 80423.
The product of its digits is 9144576, while the sum is 57.
The square root of 6397789422 is about 79986.1826942629. The cubic root of 6397789422 is about 1856.4217464507.
The spelling of 6397789422 in words is "six billion, three hundred ninety-seven million, seven hundred eighty-nine thousand, four hundred twenty-two".
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