Base | Representation |
---|---|
bin | 11100011010001100… |
… | …011000100111000100 |
3 | 2220201220002012100021 |
4 | 130122030120213010 |
5 | 444433040201340 |
6 | 22002523224524 |
7 | 2126631431140 |
oct | 343214304704 |
9 | 86656065307 |
10 | 30504225220 |
11 | 11a33926997 |
12 | 5ab3978144 |
13 | 2b51999411 |
14 | 16953c0220 |
15 | bd8028e4a |
hex | 71a3189c4 |
30504225220 has 24 divisors (see below), whose sum is σ = 73210140864. Its totient is φ = 10458591456.
The previous prime is 30504225209. The next prime is 30504225221. The reversal of 30504225220 is 2252240503.
It is a happy number.
It is not an unprimeable number, because it can be changed into a prime (30504225221) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 108943522 + ... + 108943801.
It is an arithmetic number, because the mean of its divisors is an integer number (3050422536).
Almost surely, 230504225220 is an apocalyptic number.
It is an amenable number.
30504225220 is an abundant number, since it is smaller than the sum of its proper divisors (42705915644).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30504225220 is a wasteful number, since it uses less digits than its factorization.
30504225220 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 217887339 (or 217887337 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 25.
Adding to 30504225220 its reverse (2252240503), we get a palindrome (32756465723).
The spelling of 30504225220 in words is "thirty billion, five hundred four million, two hundred twenty-five thousand, two hundred twenty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.072 sec. • engine limits •