Base | Representation |
---|---|
bin | 11100011011010100… |
… | …111000011110110101 |
3 | 2220210012211202011221 |
4 | 130123110320132311 |
5 | 1000002421331013 |
6 | 22004442430341 |
7 | 2130252114064 |
oct | 343324703665 |
9 | 86705752157 |
10 | 30523230133 |
11 | 11a43627630 |
12 | 5aba2023b1 |
13 | 2b558c1926 |
14 | 1697b2a1db |
15 | bd9a3008d |
hex | 71b5387b5 |
30523230133 has 32 divisors (see below), whose sum is σ = 35096976000. Its totient is φ = 26288613120.
The previous prime is 30523230121. The next prime is 30523230139. The reversal of 30523230133 is 33103232503.
It is a happy number.
It is not a de Polignac number, because 30523230133 - 221 = 30521132981 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30523230098 and 30523230107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30523230139) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5746683 + ... + 5751991.
It is an arithmetic number, because the mean of its divisors is an integer number (1096780500).
Almost surely, 230523230133 is an apocalyptic number.
It is an amenable number.
30523230133 is a deficient number, since it is larger than the sum of its proper divisors (4573745867).
30523230133 is a wasteful number, since it uses less digits than its factorization.
30523230133 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5685.
The product of its (nonzero) digits is 4860, while the sum is 25.
Adding to 30523230133 its reverse (33103232503), we get a palindrome (63626462636).
The spelling of 30523230133 in words is "thirty billion, five hundred twenty-three million, two hundred thirty thousand, one hundred thirty-three".
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