Base | Representation |
---|---|
bin | 111010101111001011… |
… | …011111000010010000 |
3 | 20000210100122002110210 |
4 | 322233023133002100 |
5 | 2013131023100043 |
6 | 44550122124120 |
7 | 4361616651144 |
oct | 725713370220 |
9 | 200710562423 |
10 | 63068565648 |
11 | 24824619930 |
12 | 10281650640 |
13 | 5c413ca3ca |
14 | 30a4227224 |
15 | 1991d3c633 |
hex | eaf2df090 |
63068565648 has 240 divisors, whose sum is σ = 188276788800. Its totient is φ = 18039214080.
The previous prime is 63068565643. The next prime is 63068565689. The reversal of 63068565648 is 84656586036.
It is a super-3 number, since 3×630685656483 (a number of 33 digits) contains 333 as substring.
It is a Harshad number since it is a multiple of its sum of digits (57).
It is not an unprimeable number, because it can be changed into a prime (63068565643) by changing a digit.
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 47 ways as a sum of consecutive naturals, for example, 77958268 + ... + 77959076.
It is an arithmetic number, because the mean of its divisors is an integer number (784486620).
Almost surely, 263068565648 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 63068565648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94138394400).
63068565648 is an abundant number, since it is smaller than the sum of its proper divisors (125208223152).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
63068565648 is a wasteful number, since it uses less digits than its factorization.
63068565648 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1278 (or 1253 counting only the distinct ones).
The product of its (nonzero) digits is 24883200, while the sum is 57.
The spelling of 63068565648 in words is "sixty-three billion, sixty-eight million, five hundred sixty-five thousand, six hundred forty-eight".
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