Base | Representation |
---|---|
bin | 10010101111110111… |
… | …000000110000100100 |
3 | 1220221220201100101020 |
4 | 102233313000300210 |
5 | 312211324144022 |
6 | 13125302131140 |
7 | 1311563516031 |
oct | 225767006044 |
9 | 56856640336 |
10 | 20130303012 |
11 | 85a0038666 |
12 | 3a99720ab0 |
13 | 1b8a69b301 |
14 | d8d724388 |
15 | 7cc40935c |
hex | 4afdc0c24 |
20130303012 has 24 divisors (see below), whose sum is σ = 46992051456. Its totient is φ = 6707051808.
The previous prime is 20130303001. The next prime is 20130303029. The reversal of 20130303012 is 21030303102.
It is a junction number, because it is equal to n+sod(n) for n = 20130302982 and 20130303000.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353563 + ... + 406530.
It is an arithmetic number, because the mean of its divisors is an integer number (1958002144).
Almost surely, 220130303012 is an apocalyptic number.
It is an amenable number.
20130303012 is an abundant number, since it is smaller than the sum of its proper divisors (26861748444).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20130303012 is a wasteful number, since it uses less digits than its factorization.
20130303012 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 762307 (or 762305 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 20130303012 its reverse (21030303102), we get a palindrome (41160606114).
The spelling of 20130303012 in words is "twenty billion, one hundred thirty million, three hundred three thousand, twelve".
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