Base | Representation |
---|---|
bin | 11011111101011100… |
… | …111010110110110010 |
3 | 2212111021201122212022 |
4 | 123331130322312302 |
5 | 442441114124110 |
6 | 21443020031442 |
7 | 2111654651435 |
oct | 337534726662 |
9 | 85437648768 |
10 | 30022020530 |
11 | 11806714417 |
12 | 599a392582 |
13 | 2aa5b050b8 |
14 | 164b33b81c |
15 | baaa28755 |
hex | 6fd73adb2 |
30022020530 has 16 divisors (see below), whose sum is σ = 54043015320. Its totient is φ = 12008057472.
The previous prime is 30022020521. The next prime is 30022020533. The reversal of 30022020530 is 3502022003.
It can be written as a sum of positive squares in 4 ways, for example, as 7426820041 + 22595200489 = 86179^2 + 150317^2 .
It is a junction number, because it is equal to n+sod(n) for n = 30022020499 and 30022020508.
It is not an unprimeable number, because it can be changed into a prime (30022020533) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91556 + ... + 261584.
Almost surely, 230022020530 is an apocalyptic number.
30022020530 is a deficient number, since it is larger than the sum of its proper divisors (24020994790).
30022020530 is a wasteful number, since it uses less digits than its factorization.
30022020530 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187693.
The product of its (nonzero) digits is 360, while the sum is 17.
Adding to 30022020530 its reverse (3502022003), we get a palindrome (33524042533).
The spelling of 30022020530 in words is "thirty billion, twenty-two million, twenty thousand, five hundred thirty".
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