Base | Representation |
---|---|
bin | 11100001011001111… |
… | …101001101011100010 |
3 | 2220002102011010211101 |
4 | 130023033221223202 |
5 | 443424334021310 |
6 | 21522003505014 |
7 | 2120464566244 |
oct | 341317515342 |
9 | 86072133741 |
10 | 30253423330 |
11 | 119152a57a9 |
12 | 5a4398816a |
13 | 2b11a35a30 |
14 | 166dd76094 |
15 | bc0ed743a |
hex | 70b3e9ae2 |
30253423330 has 64 divisors (see below), whose sum is σ = 60764201568. Its totient is φ = 10772213760.
The previous prime is 30253423301. The next prime is 30253423331. The reversal of 30253423330 is 3332435203.
It is a happy number.
It can be written as a sum of positive squares in 16 ways, for example, as 236821321 + 30016602009 = 15389^2 + 173253^2 .
It is not an unprimeable number, because it can be changed into a prime (30253423331) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 515700 + ... + 571360.
Almost surely, 230253423330 is an apocalyptic number.
30253423330 is an abundant number, since it is smaller than the sum of its proper divisors (30510778238).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
30253423330 is a wasteful number, since it uses less digits than its factorization.
30253423330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 55831.
The product of its (nonzero) digits is 19440, while the sum is 28.
Adding to 30253423330 its reverse (3332435203), we get a palindrome (33585858533).
The spelling of 30253423330 in words is "thirty billion, two hundred fifty-three million, four hundred twenty-three thousand, three hundred thirty".
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