Base | Representation |
---|---|
bin | 10010101110010000… |
… | …000000110010011111 |
3 | 1220220000220120100222 |
4 | 102232100000302133 |
5 | 312132421133203 |
6 | 13122455311555 |
7 | 1311115151540 |
oct | 225620006237 |
9 | 56800816328 |
10 | 20103302303 |
11 | 8586876627 |
12 | 3a9067b5bb |
13 | 1b84c06566 |
14 | d89cd64c7 |
15 | 7c9d74038 |
hex | 4ae400c9f |
20103302303 has 4 divisors (see below), whose sum is σ = 22975202640. Its totient is φ = 17231401968.
The previous prime is 20103302287. The next prime is 20103302311. The reversal of 20103302303 is 30320330102.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30320330102 = 2 ⋅15160165051.
It is a cyclic number.
It is not a de Polignac number, because 20103302303 - 24 = 20103302287 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20103302333) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435950158 + ... + 1435950171.
It is an arithmetic number, because the mean of its divisors is an integer number (5743800660).
Almost surely, 220103302303 is an apocalyptic number.
20103302303 is a deficient number, since it is larger than the sum of its proper divisors (2871900337).
20103302303 is an equidigital number, since it uses as much as digits as its factorization.
20103302303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2871900336.
The product of its (nonzero) digits is 324, while the sum is 17.
Adding to 20103302303 its reverse (30320330102), we get a palindrome (50423632405).
The spelling of 20103302303 in words is "twenty billion, one hundred three million, three hundred two thousand, three hundred three".
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