Base | Representation |
---|---|
bin | 11100001110000010… |
… | …010010101100111100 |
3 | 2220012200021100001011 |
4 | 130032002102230330 |
5 | 444023331043423 |
6 | 21530355325004 |
7 | 2121603620665 |
oct | 341602225474 |
9 | 86180240034 |
10 | 30300252988 |
11 | 119397805a5 |
12 | 5a575b0764 |
13 | 2b1b6510a5 |
14 | 167628636c |
15 | bc5187b0d |
hex | 70e092b3c |
30300252988 has 12 divisors (see below), whose sum is σ = 53303064192. Its totient is φ = 15070806080.
The previous prime is 30300252979. The next prime is 30300252989. The reversal of 30300252988 is 88925200303.
It is a super-2 number, since 2×303002529882 (a number of 22 digits) contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 30300252988.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30300252989) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19829245 + ... + 19830772.
It is an arithmetic number, because the mean of its divisors is an integer number (4441922016).
Almost surely, 230300252988 is an apocalyptic number.
It is an amenable number.
30300252988 is a deficient number, since it is larger than the sum of its proper divisors (23002811204).
30300252988 is a wasteful number, since it uses less digits than its factorization.
30300252988 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 39660212 (or 39660210 counting only the distinct ones).
The product of its (nonzero) digits is 103680, while the sum is 40.
The spelling of 30300252988 in words is "thirty billion, three hundred million, two hundred fifty-two thousand, nine hundred eighty-eight".
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