Base | Representation |
---|---|
bin | 111111111000000000… |
… | …000101001101010010 |
3 | 20120000211022020100002 |
4 | 333320000011031102 |
5 | 2110430312432323 |
6 | 51301352330002 |
7 | 4645415156351 |
oct | 777000051522 |
9 | 216024266302 |
10 | 68585280338 |
11 | 270a566a273 |
12 | 113610a3902 |
13 | 6610314023 |
14 | 3468b91998 |
15 | 1bb630e828 |
hex | ff8005352 |
68585280338 has 48 divisors (see below), whose sum is σ = 108354189888. Its totient is φ = 32549479200.
The previous prime is 68585280331. The next prime is 68585280347. The reversal of 68585280338 is 83308258586.
It is not an unprimeable number, because it can be changed into a prime (68585280331) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 58972145 + ... + 58973307.
It is an arithmetic number, because the mean of its divisors is an integer number (2257378956).
Almost surely, 268585280338 is an apocalyptic number.
68585280338 is a deficient number, since it is larger than the sum of its proper divisors (39768909550).
68585280338 is a wasteful number, since it uses less digits than its factorization.
68585280338 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1791 (or 1760 counting only the distinct ones).
The product of its (nonzero) digits is 11059200, while the sum is 56.
The spelling of 68585280338 in words is "sixty-eight billion, five hundred eighty-five million, two hundred eighty thousand, three hundred thirty-eight".
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