Base | Representation |
---|---|
bin | 10010111001111111… |
… | …000111100010101111 |
3 | 1221101202102000101101 |
4 | 102321333013202233 |
5 | 313033322400421 |
6 | 13154211423531 |
7 | 1316025565612 |
oct | 227177074257 |
9 | 57352360341 |
10 | 20300200111 |
11 | 8677a2a894 |
12 | 3b265b4ba7 |
13 | 1bb6945839 |
14 | da810c179 |
15 | 7dc2b9191 |
hex | 4b9fc78af |
20300200111 has 4 divisors (see below), whose sum is σ = 20772297832. Its totient is φ = 19828102392.
The previous prime is 20300200103. The next prime is 20300200127. The reversal of 20300200111 is 11100200302.
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 20300200111 - 23 = 20300200103 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 (20300200171) 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, 236048796 + ... + 236048881.
It is an arithmetic number, because the mean of its divisors is an integer number (5193074458).
Almost surely, 220300200111 is an apocalyptic number.
20300200111 is a deficient number, since it is larger than the sum of its proper divisors (472097721).
20300200111 is an equidigital number, since it uses as much as digits as its factorization.
20300200111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 472097720.
The product of its (nonzero) digits is 12, while the sum is 10.
Adding to 20300200111 its reverse (11100200302), we get a palindrome (31400400413).
The spelling of 20300200111 in words is "twenty billion, three hundred million, two hundred thousand, one hundred eleven".
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