Base | Representation |
---|---|
bin | 111111011100110011… |
… | …111100100100010000 |
3 | 20111212000221121021202 |
4 | 333130303330210100 |
5 | 2104012023130014 |
6 | 51144215210332 |
7 | 4631205626432 |
oct | 773463744420 |
9 | 214760847252 |
10 | 68129114384 |
11 | 26991122011 |
12 | 112543769a8 |
13 | 6569968946 |
14 | 342436a652 |
15 | 1b8b2543de |
hex | fdccfc910 |
68129114384 has 60 divisors (see below), whose sum is σ = 138570297600. Its totient is φ = 32446193472.
The previous prime is 68129114299. The next prime is 68129114393. The reversal of 68129114384 is 48341192186.
It is a happy number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2006057 + ... + 2039735.
It is an arithmetic number, because the mean of its divisors is an integer number (2309504960).
Almost surely, 268129114384 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 68129114384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69285148800).
68129114384 is an abundant number, since it is smaller than the sum of its proper divisors (70441183216).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
68129114384 is a wasteful number, since it uses less digits than its factorization.
68129114384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33972 (or 33943 counting only the distinct ones).
The product of its digits is 331776, while the sum is 47.
The spelling of 68129114384 in words is "sixty-eight billion, one hundred twenty-nine million, one hundred fourteen thousand, three hundred eighty-four".
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