Base | Representation |
---|---|
bin | 111100011001001011… |
… | …010101001111011000 |
3 | 20012101021220100220010 |
4 | 330121023111033120 |
5 | 2030301302113144 |
6 | 45442410201520 |
7 | 4453652433612 |
oct | 743113251730 |
9 | 205337810803 |
10 | 64846910424 |
11 | 2555743265a |
12 | 106991232a0 |
13 | 616597781a |
14 | 31d24a3db2 |
15 | 1a480195b9 |
hex | f192d53d8 |
64846910424 has 64 divisors (see below), whose sum is σ = 169570195200. Its totient is φ = 20626407296.
The previous prime is 64846910399. The next prime is 64846910441. The reversal of 64846910424 is 42401964846.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 91102 + ... + 371474.
It is an arithmetic number, because the mean of its divisors is an integer number (2649534300).
Almost surely, 264846910424 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 64846910424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84785097600).
64846910424 is an abundant number, since it is smaller than the sum of its proper divisors (104723284776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
64846910424 is a wasteful number, since it uses less digits than its factorization.
64846910424 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 280824 (or 280820 counting only the distinct ones).
The product of its (nonzero) digits is 1327104, while the sum is 48.
The spelling of 64846910424 in words is "sixty-four billion, eight hundred forty-six million, nine hundred ten thousand, four hundred twenty-four".
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