Base | Representation |
---|---|
bin | 10010101111111110… |
… | …101010110010111011 |
3 | 1220222001111022201122 |
4 | 102233332222302323 |
5 | 312212332411303 |
6 | 13125413135455 |
7 | 1311616545635 |
oct | 225776526273 |
9 | 56861438648 |
10 | 20132310203 |
11 | 85a11896a5 |
12 | 3a9a32a58b |
13 | 1b8ac21ab5 |
14 | d8dac7a55 |
15 | 7cc6a3e38 |
hex | 4affaacbb |
20132310203 has 4 divisors (see below), whose sum is σ = 20140298568. Its totient is φ = 20124321840.
The previous prime is 20132310193. The next prime is 20132310217. The reversal of 20132310203 is 30201323102.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 20132310203 - 28 = 20132309947 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (20132310293) 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 3 ways as a sum of consecutive naturals, for example, 3990401 + ... + 3995442.
It is an arithmetic number, because the mean of its divisors is an integer number (5035074642).
Almost surely, 220132310203 is an apocalyptic number.
20132310203 is a deficient number, since it is larger than the sum of its proper divisors (7988365).
20132310203 is an equidigital number, since it uses as much as digits as its factorization.
20132310203 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7988364.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 20132310203 its reverse (30201323102), we get a palindrome (50333633305).
The spelling of 20132310203 in words is "twenty billion, one hundred thirty-two million, three hundred ten thousand, two hundred three".
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