Base | Representation |
---|---|
bin | 10010101110101001… |
… | …101011010111101000 |
3 | 1220220111120101110111 |
4 | 102232221223113220 |
5 | 312141131432222 |
6 | 13123255424104 |
7 | 1311226302661 |
oct | 225651532750 |
9 | 56814511414 |
10 | 20110030312 |
11 | 858a651469 |
12 | 3a92985034 |
13 | 1b86420a28 |
14 | d8ab68368 |
15 | 7ca752777 |
hex | 4aea6b5e8 |
20110030312 has 64 divisors (see below), whose sum is σ = 41454144000. Its totient is φ = 9103368384.
The previous prime is 20110030307. The next prime is 20110030327. The reversal of 20110030312 is 21303001102.
It is a junction number, because it is equal to n+sod(n) for n = 20110030292 and 20110030301.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5518363 + ... + 5522005.
It is an arithmetic number, because the mean of its divisors is an integer number (647721000).
Almost surely, 220110030312 is an apocalyptic number.
It is an amenable number.
20110030312 is an abundant number, since it is smaller than the sum of its proper divisors (21344113688).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20110030312 is a wasteful number, since it uses less digits than its factorization.
20110030312 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 5270 (or 5266 counting only the distinct ones).
The product of its (nonzero) digits is 36, while the sum is 13.
Adding to 20110030312 its reverse (21303001102), we get a palindrome (41413031414).
The spelling of 20110030312 in words is "twenty billion, one hundred ten million, thirty thousand, three hundred twelve".
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