Base | Representation |
---|---|
bin | 11110111101100010010000… |
… | …01100100110000010101010 |
3 | 22221001212101000001121200121 |
4 | 33132301020030212002222 |
5 | 32411001121401243130 |
6 | 400445455435153454 |
7 | 20224660404230410 |
oct | 1736611014460252 |
9 | 287055330047617 |
10 | 68085032837290 |
11 | 1a76a778077587 |
12 | 77774038a588a |
13 | 2bcb511192591 |
14 | 12b549431d2b0 |
15 | 7d10abc77d7a |
hex | 3dec483260aa |
68085032837290 has 64 divisors (see below), whose sum is σ = 152516122387200. Its totient is φ = 21352257110016.
The previous prime is 68085032837209. The next prime is 68085032837323. The reversal of 68085032837290 is 9273823058086.
It is a happy number.
It is a super-2 number, since 2×680850328372902 (a number of 28 digits) contains 22 as substring.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 882577879 + ... + 882655018.
It is an arithmetic number, because the mean of its divisors is an integer number (2383064412300).
Almost surely, 268085032837290 is an apocalyptic number.
68085032837290 is an abundant number, since it is smaller than the sum of its proper divisors (84431089549910).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68085032837290 is a wasteful number, since it uses less digits than its factorization.
68085032837290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1765232959.
The product of its (nonzero) digits is 34836480, while the sum is 61.
The spelling of 68085032837290 in words is "sixty-eight trillion, eighty-five billion, thirty-two million, eight hundred thirty-seven thousand, two hundred ninety".
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