Base | Representation |
---|---|
bin | 11100001101010110… |
… | …010101001000011000 |
3 | 2220011212120211112222 |
4 | 130031112111020120 |
5 | 444012403303400 |
6 | 21525304323212 |
7 | 2121403642124 |
oct | 341526251030 |
9 | 86155524488 |
10 | 30288728600 |
11 | 1193321a109 |
12 | 5a53773508 |
13 | 2b19147720 |
14 | 1674926584 |
15 | bc415d185 |
hex | 70d595218 |
30288728600 has 48 divisors (see below), whose sum is σ = 75838323120. Its totient is φ = 11183529600.
The previous prime is 30288728599. The next prime is 30288728611. The reversal of 30288728600 is 682788203.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5822156 + ... + 5827355.
It is an arithmetic number, because the mean of its divisors is an integer number (1579965065).
Almost surely, 230288728600 is an apocalyptic number.
It is an amenable number.
30288728600 is an abundant number, since it is smaller than the sum of its proper divisors (45549594520).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30288728600 is a wasteful number, since it uses less digits than its factorization.
30288728600 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 11649540 (or 11649531 counting only the distinct ones).
The product of its (nonzero) digits is 258048, while the sum is 44.
The spelling of 30288728600 in words is "thirty billion, two hundred eighty-eight million, seven hundred twenty-eight thousand, six hundred".
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