Base | Representation |
---|---|
bin | 10010111001111111… |
… | …100111010001111111 |
3 | 1221101202122121201012 |
4 | 102321333213101333 |
5 | 313033341030421 |
6 | 13154214305435 |
7 | 1316026646615 |
oct | 227177472177 |
9 | 57352577635 |
10 | 20300330111 |
11 | 8678009526 |
12 | 3b2665827b |
13 | 1bb698ca69 |
14 | da81436b5 |
15 | 7dc2e295b |
hex | 4b9fe747f |
20300330111 has 4 divisors (see below), whose sum is σ = 20301590400. Its totient is φ = 20299069824.
The previous prime is 20300330101. The next prime is 20300330119. The reversal of 20300330111 is 11103300302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11103300302 = 2 ⋅5551650151.
It is a cyclic number.
It is not a de Polignac number, because 20300330111 - 26 = 20300330047 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 (20300330119) 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, 605666 + ... + 638303.
It is an arithmetic number, because the mean of its divisors is an integer number (5075397600).
Almost surely, 220300330111 is an apocalyptic number.
20300330111 is a deficient number, since it is larger than the sum of its proper divisors (1260289).
20300330111 is a wasteful number, since it uses less digits than its factorization.
20300330111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1260288.
The product of its (nonzero) digits is 54, while the sum is 14.
Adding to 20300330111 its reverse (11103300302), we get a palindrome (31403630413).
The spelling of 20300330111 in words is "twenty billion, three hundred million, three hundred thirty thousand, one hundred eleven".
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