Base | Representation |
---|---|
bin | 11100011001111101… |
… | …111111000011100010 |
3 | 2220201121222102102221 |
4 | 130121331333003202 |
5 | 444431103404110 |
6 | 22002310301254 |
7 | 2126554360204 |
oct | 343175770342 |
9 | 86647872387 |
10 | 30500450530 |
11 | 11a31788a10 |
12 | 5ab265782a |
13 | 2b50c77284 |
14 | 1694aba774 |
15 | bd7a307da |
hex | 719f7f0e2 |
30500450530 has 32 divisors (see below), whose sum is σ = 63043997760. Its totient is φ = 10507331520.
The previous prime is 30500450521. The next prime is 30500450557. The reversal of 30500450530 is 3505400503.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 30500450495 and 30500450504.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7294669 + ... + 7298848.
It is an arithmetic number, because the mean of its divisors is an integer number (1970124930).
Almost surely, 230500450530 is an apocalyptic number.
30500450530 is an abundant number, since it is smaller than the sum of its proper divisors (32543547230).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30500450530 is a wasteful number, since it uses less digits than its factorization.
30500450530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14593554.
The product of its (nonzero) digits is 4500, while the sum is 25.
The spelling of 30500450530 in words is "thirty billion, five hundred million, four hundred fifty thousand, five hundred thirty".
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