Base | Representation |
---|---|
bin | 11011111101101001… |
… | …001111011011100000 |
3 | 2212111111210202120212 |
4 | 123331221033123200 |
5 | 442442431004103 |
6 | 21443213153252 |
7 | 2112024263360 |
oct | 337551173340 |
9 | 85444722525 |
10 | 30025250528 |
11 | 11808520139 |
12 | 599b48b828 |
13 | 2aa6696340 |
14 | 164b93c9a0 |
15 | baae657d8 |
hex | 6fda4f6e0 |
30025250528 has 48 divisors (see below), whose sum is σ = 72753498720. Its totient is φ = 11878119936.
The previous prime is 30025250527. The next prime is 30025250641. The reversal of 30025250528 is 82505252003.
It is a Harshad number since it is a multiple of its sum of digits (32).
It is a junction number, because it is equal to n+sod(n) for n = 30025250494 and 30025250503.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30025250527) 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, 5152523 + ... + 5158346.
It is an arithmetic number, because the mean of its divisors is an integer number (1515697890).
Almost surely, 230025250528 is an apocalyptic number.
It is an amenable number.
30025250528 is an abundant number, since it is smaller than the sum of its proper divisors (42728248192).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30025250528 is a wasteful number, since it uses less digits than its factorization.
30025250528 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10310899 (or 10310891 counting only the distinct ones).
The product of its (nonzero) digits is 24000, while the sum is 32.
The spelling of 30025250528 in words is "thirty billion, twenty-five million, two hundred fifty thousand, five hundred twenty-eight".
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