Base | Representation |
---|---|
bin | 10010111011110001… |
… | …100110001011011100 |
3 | 1221110211212200020012 |
4 | 102323301212023130 |
5 | 313114013210022 |
6 | 13201202542352 |
7 | 1316541635210 |
oct | 227361461334 |
9 | 57424780205 |
10 | 20330210012 |
11 | 8692967762 |
12 | 3b346679b8 |
13 | 1bbcc22188 |
14 | dac0c0940 |
15 | 7dec45de2 |
hex | 4bbc662dc |
20330210012 has 12 divisors (see below), whose sum is σ = 40660420080. Its totient is φ = 8712947136.
The previous prime is 20330209981. The next prime is 20330210023. The reversal of 20330210012 is 21001203302.
It is a happy number.
20330210012 is an admirable number.
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 pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363039437 + ... + 363039492.
It is an arithmetic number, because the mean of its divisors is an integer number (3388368340).
Almost surely, 220330210012 is an apocalyptic number.
It is an amenable number.
20330210012 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20330210012 is a wasteful number, since it uses less digits than its factorization.
20330210012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 726078940 (or 726078938 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 14.
Adding to 20330210012 its reverse (21001203302), we get a palindrome (41331413314).
The spelling of 20330210012 in words is "twenty billion, three hundred thirty million, two hundred ten thousand, twelve".
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