Base | Representation |
---|---|
bin | 1100101010100000001101… |
… | …01010101001010101100000 |
3 | 10122121022022101011202212212 |
4 | 12111100012222221111200 |
5 | 12122233044011234140 |
6 | 135121301252541252 |
7 | 5603000150333663 |
oct | 625200652512540 |
9 | 118538271152785 |
10 | 27848679789920 |
11 | 8967616800810 |
12 | 3159316621828 |
13 | 1270171c65842 |
14 | 6c3c51a876da |
15 | 33461c388765 |
hex | 195406aa9560 |
27848679789920 has 48 divisors (see below), whose sum is σ = 71773642917648. Its totient is φ = 10126792650240.
The previous prime is 27848679789899. The next prime is 27848679789937. The reversal of 27848679789920 is 2998797684872.
It is a congruent number.
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, 7911554999 + ... + 7911558518.
It is an arithmetic number, because the mean of its divisors is an integer number (1495284227451).
Almost surely, 227848679789920 is an apocalyptic number.
27848679789920 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
27848679789920 is an abundant number, since it is smaller than the sum of its proper divisors (43924963127728).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
27848679789920 is a wasteful number, since it uses less digits than its factorization.
27848679789920 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15823113543 (or 15823113535 counting only the distinct ones).
The product of its (nonzero) digits is 12290310144, while the sum is 86.
The spelling of 27848679789920 in words is "twenty-seven trillion, eight hundred forty-eight billion, six hundred seventy-nine million, seven hundred eighty-nine thousand, nine hundred twenty".
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