Base | Representation |
---|---|
bin | 10010111011010111… |
… | …001111101011010111 |
3 | 1221110100212201100201 |
4 | 102323113033223113 |
5 | 313110231131403 |
6 | 13200354521331 |
7 | 1316426134426 |
oct | 227327175327 |
9 | 57410781321 |
10 | 20323302103 |
11 | 8689a79745 |
12 | 3b32296247 |
13 | 1bbb673b60 |
14 | dab2032bd |
15 | 7de32e21d |
hex | 4bb5cfad7 |
20323302103 has 16 divisors (see below), whose sum is σ = 23379191136. Its totient is φ = 17500170240.
The previous prime is 20323302049. The next prime is 20323302157. The reversal of 20323302103 is 30120332302.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (20323302049) and next prime (20323302157).
It is a cyclic number.
It is not a de Polignac number, because 20323302103 - 213 = 20323293911 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 (20323300103) 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 15 ways as a sum of consecutive naturals, for example, 381933 + ... + 431878.
It is an arithmetic number, because the mean of its divisors is an integer number (1461199446).
Almost surely, 220323302103 is an apocalyptic number.
20323302103 is a deficient number, since it is larger than the sum of its proper divisors (3055889033).
20323302103 is a wasteful number, since it uses less digits than its factorization.
20323302103 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 813954.
The product of its (nonzero) digits is 648, while the sum is 19.
Adding to 20323302103 its reverse (30120332302), we get a palindrome (50443634405).
The spelling of 20323302103 in words is "twenty billion, three hundred twenty-three million, three hundred two thousand, one hundred three".
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