Base | Representation |
---|---|
bin | 11100011100111100… |
… | …100100110011111100 |
3 | 2220212002222202102202 |
4 | 130130330210303330 |
5 | 1000031401200130 |
6 | 22011253211032 |
7 | 2131032136064 |
oct | 343474446374 |
9 | 86762882382 |
10 | 30550412540 |
11 | 11a57a0312a |
12 | 5b07330a78 |
13 | 2b5b41b2ab |
14 | 169b5a43a4 |
15 | bdc0ee145 |
hex | 71cf24cfc |
30550412540 has 24 divisors (see below), whose sum is σ = 64526716800. Its totient is φ = 12149526848.
The previous prime is 30550412527. The next prime is 30550412551. The reversal of 30550412540 is 4521405503.
It is a congruent number.
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, 4411340 + ... + 4418259.
It is an arithmetic number, because the mean of its divisors is an integer number (2688613200).
Almost surely, 230550412540 is an apocalyptic number.
It is an amenable number.
30550412540 is an abundant number, since it is smaller than the sum of its proper divisors (33976304260).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30550412540 is a wasteful number, since it uses less digits than its factorization.
30550412540 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8829781 (or 8829779 counting only the distinct ones).
The product of its (nonzero) digits is 12000, while the sum is 29.
The spelling of 30550412540 in words is "thirty billion, five hundred fifty million, four hundred twelve thousand, five hundred forty".
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