Base | Representation |
---|---|
bin | 10010111011010110… |
… | …001000111011101010 |
3 | 1221110100022222212101 |
4 | 102323112020323222 |
5 | 313110142343310 |
6 | 13200344404014 |
7 | 1316423516545 |
oct | 227326107352 |
9 | 57410288771 |
10 | 20323012330 |
11 | 86898a0a65 |
12 | 3b3217660a |
13 | 1bbb5a1caa |
14 | dab16985c |
15 | 7de2c343a |
hex | 4bb588eea |
20323012330 has 8 divisors (see below), whose sum is σ = 36581422212. Its totient is φ = 8129204928.
The previous prime is 20323012277. The next prime is 20323012337. The reversal of 20323012330 is 3321032302.
It is a happy number.
It can be written as a sum of positive squares in 2 ways, for example, as 18515317041 + 1807695289 = 136071^2 + 42517^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 20323012298 and 20323012307.
It is not an unprimeable number, because it can be changed into a prime (20323012337) 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 3 ways as a sum of consecutive naturals, for example, 1016150607 + ... + 1016150626.
Almost surely, 220323012330 is an apocalyptic number.
20323012330 is a deficient number, since it is larger than the sum of its proper divisors (16258409882).
20323012330 is a wasteful number, since it uses less digits than its factorization.
20323012330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2032301240.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20323012330 its reverse (3321032302), we get a palindrome (23644044632).
The spelling of 20323012330 in words is "twenty billion, three hundred twenty-three million, twelve thousand, three hundred thirty".
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