Base | Representation |
---|---|
bin | 111010110011011101… |
… | …000100011100111101 |
3 | 20000222100120202212020 |
4 | 322303131010130331 |
5 | 2013302403043341 |
6 | 45001203230353 |
7 | 4363450363200 |
oct | 726335043475 |
9 | 200870522766 |
10 | 63140284221 |
11 | 24861054083 |
12 | 102a16783b9 |
13 | 5c5321b231 |
14 | 30ad975937 |
15 | 19982a7566 |
hex | eb374473d |
63140284221 has 12 divisors (see below), whose sum is σ = 97931869632. Its totient is φ = 36080162328.
The previous prime is 63140284199. The next prime is 63140284223. The reversal of 63140284221 is 12248204136.
It is not a de Polignac number, because 63140284221 - 219 = 63139759933 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (63140284223) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 214762725 + ... + 214763018.
It is an arithmetic number, because the mean of its divisors is an integer number (8160989136).
Almost surely, 263140284221 is an apocalyptic number.
It is an amenable number.
63140284221 is a deficient number, since it is larger than the sum of its proper divisors (34791585411).
63140284221 is a wasteful number, since it uses less digits than its factorization.
63140284221 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 429525760 (or 429525753 counting only the distinct ones).
The product of its (nonzero) digits is 18432, while the sum is 33.
Adding to 63140284221 its reverse (12248204136), we get a palindrome (75388488357).
It can be divided in two parts, 63140 and 284221, that added together give a triangular number (347361 = T833).
The spelling of 63140284221 in words is "sixty-three billion, one hundred forty million, two hundred eighty-four thousand, two hundred twenty-one".
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