Base | Representation |
---|---|
bin | 11100011010010000… |
… | …100000010011010100 |
3 | 2220201222010001221020 |
4 | 130122100200103110 |
5 | 444433324232200 |
6 | 22003002321140 |
7 | 2126643550101 |
oct | 343220402324 |
9 | 86658101836 |
10 | 30505305300 |
11 | 11a344a4418 |
12 | 5ab41b91b0 |
13 | 2b51c86c12 |
14 | 16955c1aa8 |
15 | bd818dea0 |
hex | 71a4204d4 |
30505305300 has 72 divisors (see below), whose sum is σ = 88755256800. Its totient is φ = 8089288320.
The previous prime is 30505305287. The next prime is 30505305319. The reversal of 30505305300 is 350350503.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 230335 + ... + 337734.
It is an arithmetic number, because the mean of its divisors is an integer number (1232711900).
Almost surely, 230505305300 is an apocalyptic number.
30505305300 is a gapful number since it is divisible by the number (30) formed by its first and last digit.
It is an amenable number.
30505305300 is an abundant number, since it is smaller than the sum of its proper divisors (58249951500).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30505305300 is a wasteful number, since it uses less digits than its factorization.
30505305300 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 568265 (or 568258 counting only the distinct ones).
The product of its (nonzero) digits is 3375, while the sum is 24.
Adding to 30505305300 its reverse (350350503), we get a palindrome (30855655803).
The spelling of 30505305300 in words is "thirty billion, five hundred five million, three hundred five thousand, three hundred".
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