Base | Representation |
---|---|
bin | 10111100010011010010… |
… | …01010110001011011100 |
3 | 2212022112001022200012122 |
4 | 23301031021112023130 |
5 | 101222304011204140 |
6 | 1415311143322112 |
7 | 112300350554003 |
oct | 13611511261334 |
9 | 2768461280178 |
10 | 808748147420 |
11 | 291a962773a4 |
12 | 1108a8150338 |
13 | 5b3594b8c75 |
14 | 2b20213bc3a |
15 | 16086320ab5 |
hex | bc4d2562dc |
808748147420 has 48 divisors (see below), whose sum is σ = 1700712386688. Its totient is φ = 323053600320.
The previous prime is 808748147401. The next prime is 808748147447. The reversal of 808748147420 is 24741847808.
808748147420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
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, 53245067 + ... + 53260253.
It is an arithmetic number, because the mean of its divisors is an integer number (35431508056).
Almost surely, 2808748147420 is an apocalyptic number.
It is an amenable number.
808748147420 is an abundant number, since it is smaller than the sum of its proper divisors (891964239268).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
808748147420 is a wasteful number, since it uses less digits than its factorization.
808748147420 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18690 (or 18688 counting only the distinct ones).
The product of its (nonzero) digits is 3211264, while the sum is 53.
The spelling of 808748147420 in words is "eight hundred eight billion, seven hundred forty-eight million, one hundred forty-seven thousand, four hundred twenty".
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