Base | Representation |
---|---|
bin | 110000101010000110101… |
… | …0111000111111110010000 |
3 | 212200022120112221222021211 |
4 | 1201110031113013332100 |
5 | 1334031433442330043 |
6 | 22120104550025504 |
7 | 1260104123116600 |
oct | 141241527077620 |
9 | 25608515858254 |
10 | 6687488245648 |
11 | 21491698548a1 |
12 | 9000b6348294 |
13 | 396820625ba2 |
14 | 191967540c00 |
15 | b8e548d3a9d |
hex | 6150d5c7f90 |
6687488245648 has 60 divisors (see below), whose sum is σ = 15072884773632. Its totient is φ = 2865981518400.
The previous prime is 6687488245643. The next prime is 6687488245673. The reversal of 6687488245648 is 8465428847866.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (6687488245643) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31372161 + ... + 31584607.
Almost surely, 26687488245648 is an apocalyptic number.
It is an amenable number.
6687488245648 is an abundant number, since it is smaller than the sum of its proper divisors (8385396527984).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6687488245648 is a wasteful number, since it uses less digits than its factorization.
6687488245648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 252620 (or 252607 counting only the distinct ones).
The product of its digits is 3963617280, while the sum is 76.
The spelling of 6687488245648 in words is "six trillion, six hundred eighty-seven billion, four hundred eighty-eight million, two hundred forty-five thousand, six hundred forty-eight".
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