Base | Representation |
---|---|
bin | 10010101000111000… |
… | …011010100011011100 |
3 | 1220122202102102210212 |
4 | 102220320122203130 |
5 | 311441341332200 |
6 | 13105520551552 |
7 | 1305642436130 |
oct | 225070324334 |
9 | 56582372725 |
10 | 20013230300 |
11 | 853aa46158 |
12 | 3a664825b8 |
13 | 1b6c35a90b |
14 | d7bd6b3c0 |
15 | 7c1ed1035 |
hex | 4a8e1a8dc |
20013230300 has 72 divisors (see below), whose sum is σ = 49653072000. Its totient is φ = 6858878400.
The previous prime is 20013230257. The next prime is 20013230359. The reversal of 20013230300 is 303231002.
It is a Harshad number since it is a multiple of its sum of digits (14).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2445215 + ... + 2453385.
It is an arithmetic number, because the mean of its divisors is an integer number (689626000).
Almost surely, 220013230300 is an apocalyptic number.
20013230300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
20013230300 is an abundant number, since it is smaller than the sum of its proper divisors (29639841700).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20013230300 is a wasteful number, since it uses less digits than its factorization.
20013230300 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 11691 (or 11684 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 20013230300 its reverse (303231002), we get a palindrome (20316461302).
The spelling of 20013230300 in words is "twenty billion, thirteen million, two hundred thirty thousand, three hundred".
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