Base | Representation |
---|---|
bin | 1011111110011001… |
… | …00001010011110101 |
3 | 121121001012210112112 |
4 | 11333030201103311 |
5 | 101131303042033 |
6 | 2541534500405 |
7 | 315213136433 |
oct | 57714412365 |
9 | 17531183475 |
10 | 6428955893 |
11 | 27a9a83798 |
12 | 12b5064705 |
13 | 7b5c08019 |
14 | 44db8dd53 |
15 | 27961ac48 |
hex | 17f3214f5 |
6428955893 has 2 divisors, whose sum is σ = 6428955894. Its totient is φ = 6428955892.
The previous prime is 6428955887. The next prime is 6428955899. The reversal of 6428955893 is 3985598246.
It is a balanced prime because it is at equal distance from previous prime (6428955887) and next prime (6428955899).
It can be written as a sum of positive squares in only one way, i.e., 5368932529 + 1060023364 = 73273^2 + 32558^2 .
It is a cyclic number.
It is not a de Polignac number, because 6428955893 - 226 = 6361847029 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (6428955899) 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 as a sum of consecutive naturals, namely, 3214477946 + 3214477947.
It is an arithmetic number, because the mean of its divisors is an integer number (3214477947).
Almost surely, 26428955893 is an apocalyptic number.
It is an amenable number.
6428955893 is a deficient number, since it is larger than the sum of its proper divisors (1).
6428955893 is an equidigital number, since it uses as much as digits as its factorization.
6428955893 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18662400, while the sum is 59.
The square root of 6428955893 is about 80180.7700948301. The cubic root of 6428955893 is about 1859.4313493675.
The spelling of 6428955893 in words is "six billion, four hundred twenty-eight million, nine hundred fifty-five thousand, eight hundred ninety-three".
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