Base | Representation |
---|---|
bin | 10010111010000011… |
… | …010110100010011111 |
3 | 1221101211111102000111 |
4 | 102322003112202133 |
5 | 313034113410421 |
6 | 13154251310451 |
7 | 1316041201015 |
oct | 227203264237 |
9 | 57354442014 |
10 | 20301310111 |
11 | 8678618845 |
12 | 3b26a4b427 |
13 | 1bb6c43b44 |
14 | da831a8b5 |
15 | 7dc437ee1 |
hex | 4ba0d689f |
20301310111 has 16 divisors (see below), whose sum is σ = 21856988160. Its totient is φ = 18810997920.
The previous prime is 20301310097. The next prime is 20301310151. The reversal of 20301310111 is 11101310302.
It is a cyclic number.
It is not a de Polignac number, because 20301310111 - 25 = 20301310079 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20301310091 and 20301310100.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20301310151) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9105 + ... + 201706.
It is an arithmetic number, because the mean of its divisors is an integer number (1366061760).
Almost surely, 220301310111 is an apocalyptic number.
20301310111 is a deficient number, since it is larger than the sum of its proper divisors (1555678049).
20301310111 is a wasteful number, since it uses less digits than its factorization.
20301310111 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 210966.
The product of its (nonzero) digits is 18, while the sum is 13.
Adding to 20301310111 its reverse (11101310302), we get a palindrome (31402620413).
The spelling of 20301310111 in words is "twenty billion, three hundred one million, three hundred ten thousand, one hundred eleven".
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