Base | Representation |
---|---|
bin | 11111000101000011010000… |
… | …00000110100100011100000 |
3 | 22221222112220121210101020121 |
4 | 33202201220000310203200 |
5 | 32424214001223102210 |
6 | 401204243511250024 |
7 | 20252431544423353 |
oct | 1742415000644340 |
9 | 287875817711217 |
10 | 68343264659680 |
11 | 1a85a24121682a |
12 | 77b9471079914 |
13 | 2c1998581119a |
14 | 12c3b9010229a |
15 | 7d7b725d06da |
hex | 3e28680348e0 |
68343264659680 has 96 divisors (see below), whose sum is σ = 161678901049344. Its totient is φ = 27300428745216.
The previous prime is 68343264659639. The next prime is 68343264659693. The reversal of 68343264659680 is 8695646234386.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396467589 + ... + 396639931.
It is an arithmetic number, because the mean of its divisors is an integer number (1684155219264).
Almost surely, 268343264659680 is an apocalyptic number.
It is an amenable number.
68343264659680 is an abundant number, since it is smaller than the sum of its proper divisors (93335636389664).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68343264659680 is a wasteful number, since it uses less digits than its factorization.
68343264659680 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 175688 (or 175680 counting only the distinct ones).
The product of its (nonzero) digits is 1074954240, while the sum is 70.
The spelling of 68343264659680 in words is "sixty-eight trillion, three hundred forty-three billion, two hundred sixty-four million, six hundred fifty-nine thousand, six hundred eighty".
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