Base | Representation |
---|---|
bin | 100000010100101010001… |
… | …110110000110100101101 |
3 | 21212100022201002200202001 |
4 | 200110222032300310231 |
5 | 242343012342330401 |
6 | 4420224102132301 |
7 | 316322366424061 |
oct | 40245216606455 |
9 | 7770281080661 |
10 | 2221206605101 |
11 | 787010249300 |
12 | 2ba599721091 |
13 | 1315c7225b93 |
14 | 797151c5aa1 |
15 | 3cba30b0601 |
hex | 2052a3b0d2d |
2221206605101 has 24 divisors (see below), whose sum is σ = 2520497274624. Its totient is φ = 1953948480000.
The previous prime is 2221206605099. The next prime is 2221206605131. The reversal of 2221206605101 is 1015066021222.
It is not a de Polignac number, because 2221206605101 - 21 = 2221206605099 is a prime.
It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 2221206605101.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2221206605131) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49194306 + ... + 49239436.
It is an arithmetic number, because the mean of its divisors is an integer number (105020719776).
Almost surely, 22221206605101 is an apocalyptic number.
It is an amenable number.
2221206605101 is a deficient number, since it is larger than the sum of its proper divisors (299290669523).
2221206605101 is a wasteful number, since it uses less digits than its factorization.
2221206605101 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 58305 (or 58294 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 28.
The spelling of 2221206605101 in words is "two trillion, two hundred twenty-one billion, two hundred six million, six hundred five thousand, one hundred one".
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