Base | Representation |
---|---|
bin | 10010111011110001… |
… | …111110111010000100 |
3 | 1221110212001211011121 |
4 | 102323301332322010 |
5 | 313114024430200 |
6 | 13201205043324 |
7 | 1316542536415 |
oct | 227361767204 |
9 | 57425054147 |
10 | 20330311300 |
11 | 8692a26872 |
12 | 3b346b6544 |
13 | 1bbcc59300 |
14 | dac10980c |
15 | 7dec65e1a |
hex | 4bbc7ee84 |
20330311300 has 54 divisors (see below), whose sum is σ = 47771459358. Its totient is φ = 7506570240.
The previous prime is 20330311259. The next prime is 20330311303. The reversal of 20330311300 is 311303302.
It can be written as a sum of positive squares in 9 ways, for example, as 17288568196 + 3041743104 = 131486^2 + 55152^2 .
It is not an unprimeable number, because it can be changed into a prime (20330311303) by changing a digit.
It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 584589 + ... + 618388.
Almost surely, 220330311300 is an apocalyptic number.
20330311300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20330311300 is an abundant number, since it is smaller than the sum of its proper divisors (27441148058).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20330311300 is a wasteful number, since it uses less digits than its factorization.
20330311300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1203017 (or 1202997 counting only the distinct ones).
The product of its (nonzero) digits is 162, while the sum is 16.
Adding to 20330311300 its reverse (311303302), we get a palindrome (20641614602).
The spelling of 20330311300 in words is "twenty billion, three hundred thirty million, three hundred eleven thousand, three hundred".
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