Base | Representation |
---|---|
bin | 1101110010101110010000… |
… | …00011000101101100100100 |
3 | 10222101112100020100002100202 |
4 | 12321113020003011230210 |
5 | 12433412041301030040 |
6 | 144301244231330032 |
7 | 6250164441035030 |
oct | 671271003055444 |
9 | 128345306302322 |
10 | 30330120330020 |
11 | 9733a28249085 |
12 | 349a21bb20918 |
13 | 13c016c544134 |
14 | 76bdb28db1c0 |
15 | 378e51930015 |
hex | 1b95c80c5b24 |
30330120330020 has 48 divisors (see below), whose sum is σ = 72792775050240. Its totient is φ = 10398828933504.
The previous prime is 30330120329987. The next prime is 30330120330061. The reversal of 30330120330020 is 2003302103303.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 30330120329974 and 30330120330001.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23100566 + ... + 24378194.
It is an arithmetic number, because the mean of its divisors is an integer number (1516516146880).
Almost surely, 230330120330020 is an apocalyptic number.
It is an amenable number.
30330120330020 is an abundant number, since it is smaller than the sum of its proper divisors (42462654720220).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30330120330020 is a wasteful number, since it uses less digits than its factorization.
30330120330020 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1447212 (or 1447210 counting only the distinct ones).
The product of its (nonzero) digits is 972, while the sum is 20.
Adding to 30330120330020 its reverse (2003302103303), we get a palindrome (32333422433323).
The spelling of 30330120330020 in words is "thirty trillion, three hundred thirty billion, one hundred twenty million, three hundred thirty thousand, twenty".
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