Base | Representation |
---|---|
bin | 1101110001111111100000… |
… | …11010101101000001000100 |
3 | 10222022010120111022202102120 |
4 | 12320333300122231001010 |
5 | 12433004144104232002 |
6 | 144241534303405540 |
7 | 6245315561064114 |
oct | 670776032550104 |
9 | 128263514282376 |
10 | 30305027805252 |
11 | 9724321166902 |
12 | 34953985b38b0 |
13 | 13ba9a0ab3745 |
14 | 76aab214b044 |
15 | 378483a82cbc |
hex | 1b8ff06ad044 |
30305027805252 has 24 divisors (see below), whose sum is σ = 70712210871456. Its totient is φ = 10101607459968.
The previous prime is 30305027805223. The next prime is 30305027805343. The reversal of 30305027805252 is 25250872050303.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6699178 + ... + 10270785.
It is an arithmetic number, because the mean of its divisors is an integer number (2946342119644).
Almost surely, 230305027805252 is an apocalyptic number.
It is an amenable number.
30305027805252 is an abundant number, since it is smaller than the sum of its proper divisors (40407183066204).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30305027805252 is a wasteful number, since it uses less digits than its factorization.
30305027805252 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17118787 (or 17118785 counting only the distinct ones).
The product of its (nonzero) digits is 504000, while the sum is 42.
Adding to 30305027805252 its reverse (25250872050303), we get a palindrome (55555899855555).
The spelling of 30305027805252 in words is "thirty trillion, three hundred five billion, twenty-seven million, eight hundred five thousand, two hundred fifty-two".
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