Base | Representation |
---|---|
bin | 111111101000111001… |
… | …001101100011100010 |
3 | 20112101011101011212122 |
4 | 333220321031203202 |
5 | 2104420421240112 |
6 | 51220300024242 |
7 | 4636216616564 |
oct | 775071154342 |
9 | 215334334778 |
10 | 68331821282 |
11 | 26a8559377a |
12 | 112b0232082 |
13 | 659c96005a |
14 | 3443255334 |
15 | 1b9de45872 |
hex | fe8e4d8e2 |
68331821282 has 16 divisors (see below), whose sum is σ = 102896483712. Its totient is φ = 34033044240.
The previous prime is 68331821263. The next prime is 68331821309. The reversal of 68331821282 is 28212813386.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3734468 + ... + 3752720.
It is an arithmetic number, because the mean of its divisors is an integer number (6431030232).
Almost surely, 268331821282 is an apocalyptic number.
68331821282 is a deficient number, since it is larger than the sum of its proper divisors (34564662430).
68331821282 is a wasteful number, since it uses less digits than its factorization.
68331821282 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25433.
The product of its digits is 221184, while the sum is 44.
The spelling of 68331821282 in words is "sixty-eight billion, three hundred thirty-one million, eight hundred twenty-one thousand, two hundred eighty-two".
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