Base | Representation |
---|---|
bin | 1001011010100100010111… |
… | …11000001110011011001000 |
3 | 2201022021212120101200102010 |
4 | 10231102023320032123020 |
5 | 10203203433304421023 |
6 | 112011154403535520 |
7 | 4234551425660061 |
oct | 455221370163310 |
9 | 81267776350363 |
10 | 20704089138888 |
11 | 6662611623261 |
12 | 23a471168a5a0 |
13 | b7250598238c |
14 | 51812467b568 |
15 | 25d862e20093 |
hex | 12d48be0e6c8 |
20704089138888 has 64 divisors (see below), whose sum is σ = 52007354265600. Its totient is φ = 6868414486080.
The previous prime is 20704089138869. The next prime is 20704089138907. The reversal of 20704089138888 is 88883198040702.
It is an interprime number because it is at equal distance from previous prime (20704089138869) and next prime (20704089138907).
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199180993 + ... + 199284911.
It is an arithmetic number, because the mean of its divisors is an integer number (812614910400).
Almost surely, 220704089138888 is an apocalyptic number.
It is an amenable number.
20704089138888 is an abundant number, since it is smaller than the sum of its proper divisors (31303265126712).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20704089138888 is a wasteful number, since it uses less digits than its factorization.
20704089138888 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 143482 (or 143478 counting only the distinct ones).
The product of its (nonzero) digits is 49545216, while the sum is 66.
The spelling of 20704089138888 in words is "twenty trillion, seven hundred four billion, eighty-nine million, one hundred thirty-eight thousand, eight hundred eighty-eight".
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