Base | Representation |
---|---|
bin | 111111110100100010… |
… | …111110111010010110 |
3 | 20112212210020120200210 |
4 | 333310202332322112 |
5 | 2110320443230401 |
6 | 51251522150250 |
7 | 4644112421034 |
oct | 776442767226 |
9 | 215783216623 |
10 | 68527320726 |
11 | 27075982367 |
12 | 113457b2386 |
13 | 66012cc9b7 |
14 | 34611c5554 |
15 | 1bb11b14d6 |
hex | ff48bee96 |
68527320726 has 16 divisors (see below), whose sum is σ = 137820312000. Its totient is φ = 22714828488.
The previous prime is 68527320709. The next prime is 68527320727. The reversal of 68527320726 is 62702372586.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68527320727) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31901776 + ... + 31903923.
It is an arithmetic number, because the mean of its divisors is an integer number (8613769500).
Almost surely, 268527320726 is an apocalyptic number.
68527320726 is an abundant number, since it is smaller than the sum of its proper divisors (69292991274).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68527320726 is a wasteful number, since it uses less digits than its factorization.
68527320726 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63805883.
The product of its (nonzero) digits is 1693440, while the sum is 48.
The spelling of 68527320726 in words is "sixty-eight billion, five hundred twenty-seven million, three hundred twenty thousand, seven hundred twenty-six".
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