Base | Representation |
---|---|
bin | 1101110010000000011010… |
… | …11110011011010001110000 |
3 | 10222022011211110200002112100 |
4 | 12321000031132123101300 |
5 | 12433011143410223212 |
6 | 144242054520500400 |
7 | 6245333630642142 |
oct | 671001536332160 |
9 | 128264743602470 |
10 | 30305515320432 |
11 | 9724551376210 |
12 | 34954b391a700 |
13 | 13baa4aab6c71 |
14 | 76ab1abb2c92 |
15 | 3784b1781bdc |
hex | 1b900d79b470 |
30305515320432 has 120 divisors (see below), whose sum is σ = 97393322856960. Its totient is φ = 8700147930240.
The previous prime is 30305515320427. The next prime is 30305515320439. The reversal of 30305515320432 is 23402351550303.
30305515320432 is a `hidden beast` number, since 3 + 0 + 3 + 0 + 55 + 153 + 20 + 432 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30305515320439) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 503450688 + ... + 503510879.
It is an arithmetic number, because the mean of its divisors is an integer number (811611023808).
Almost surely, 230305515320432 is an apocalyptic number.
It is an amenable number.
30305515320432 is an abundant number, since it is smaller than the sum of its proper divisors (67087807536528).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30305515320432 is a wasteful number, since it uses less digits than its factorization.
30305515320432 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1006961611 (or 1006961602 counting only the distinct ones).
The product of its (nonzero) digits is 162000, while the sum is 36.
Adding to 30305515320432 its reverse (23402351550303), we get a palindrome (53707866870735).
The spelling of 30305515320432 in words is "thirty trillion, three hundred five billion, five hundred fifteen million, three hundred twenty thousand, four hundred thirty-two".
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