Base | Representation |
---|---|
bin | 10011001100101000000000… |
… | …11100110110010110001100 |
3 | 12112110201220201220102002110 |
4 | 21212110000130312112030 |
5 | 21013123303211140040 |
6 | 225441225233224020 |
7 | 11614644012613341 |
oct | 1146240034662614 |
9 | 175421821812073 |
10 | 42215241115020 |
11 | 124a6424073386 |
12 | 489971aa02010 |
13 | 1a72b5991854c |
14 | a5d32b2b67c8 |
15 | 4d31ae20e980 |
hex | 26650073658c |
42215241115020 has 96 divisors (see below), whose sum is σ = 118651280025600. Its totient is φ = 11214753462784.
The previous prime is 42215241114971. The next prime is 42215241115109. The reversal of 42215241115020 is 2051114251224.
It is a Harshad number since it is a multiple of its sum of digits (30).
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 31 ways as a sum of consecutive naturals, for example, 15619216 + ... + 18121544.
It is an arithmetic number, because the mean of its divisors is an integer number (1235950833600).
Almost surely, 242215241115020 is an apocalyptic number.
It is an amenable number.
42215241115020 is an abundant number, since it is smaller than the sum of its proper divisors (76436038910580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
42215241115020 is a wasteful number, since it uses less digits than its factorization.
42215241115020 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2503407 (or 2503405 counting only the distinct ones).
The product of its (nonzero) digits is 6400, while the sum is 30.
Adding to 42215241115020 its reverse (2051114251224), we get a palindrome (44266355366244).
The spelling of 42215241115020 in words is "forty-two trillion, two hundred fifteen billion, two hundred forty-one million, one hundred fifteen thousand, twenty".
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