Base | Representation |
---|---|
bin | 110010001010011110000110… |
… | …101111111100101110000000 |
3 | 1001221011020112202200202100020 |
4 | 302022132012233330232000 |
5 | 212404132020011410143 |
6 | 2101120135441253440 |
7 | 64320255002452644 |
oct | 6212360657745600 |
9 | 1057136482622306 |
10 | 220621845810048 |
11 | 6432a2213a6351 |
12 | 208b1ba9934280 |
13 | 9614721117027 |
14 | 3c6a22360ac24 |
15 | 1a78d31ab5883 |
hex | c8a786bfcb80 |
220621845810048 has 64 divisors (see below), whose sum is σ = 604930867576320. Its totient is φ = 71168337354240.
The previous prime is 220621845810013. The next prime is 220621845810059. The reversal of 220621845810048 is 840018548126022.
220621845810048 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (64).
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, 9266698690 + ... + 9266722497.
It is an arithmetic number, because the mean of its divisors is an integer number (9452044805880).
Almost surely, 2220621845810048 is an apocalyptic number.
It is an amenable number.
220621845810048 is an abundant number, since it is smaller than the sum of its proper divisors (384309021766272).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
220621845810048 is a wasteful number, since it uses less digits than its factorization.
220621845810048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18533421235 (or 18533421223 counting only the distinct ones).
The product of its (nonzero) digits is 1966080, while the sum is 51.
The spelling of 220621845810048 in words is "two hundred twenty trillion, six hundred twenty-one billion, eight hundred forty-five million, eight hundred ten thousand, forty-eight".
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