Base | Representation |
---|---|
bin | 11100001011000101… |
… | …010111101101000100 |
3 | 2220002020002012212222 |
4 | 130023011113231010 |
5 | 443423141301020 |
6 | 21521430031512 |
7 | 2120432643014 |
oct | 341305275504 |
9 | 86066065788 |
10 | 30250728260 |
11 | 11913824975 |
12 | 5a42aa8598 |
13 | 2b1130110c |
14 | 166d873c44 |
15 | bc0b53b25 |
hex | 70b157b44 |
30250728260 has 24 divisors (see below), whose sum is σ = 63534387840. Its totient is φ = 12098794464.
The previous prime is 30250728259. The next prime is 30250728283. The reversal of 30250728260 is 6282705203.
It is a self number, because there is not a number n which added to its sum of digits gives 30250728260.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80021 + ... + 258659.
It is an arithmetic number, because the mean of its divisors is an integer number (2647266160).
Almost surely, 230250728260 is an apocalyptic number.
It is an amenable number.
30250728260 is an abundant number, since it is smaller than the sum of its proper divisors (33283659580).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30250728260 is a wasteful number, since it uses less digits than its factorization.
30250728260 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187115 (or 187113 counting only the distinct ones).
The product of its (nonzero) digits is 40320, while the sum is 35.
The spelling of 30250728260 in words is "thirty billion, two hundred fifty million, seven hundred twenty-eight thousand, two hundred sixty".
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