Base | Representation |
---|---|
bin | 100000010100100100000… |
… | …000001110010000100011 |
3 | 21212100001102111211010200 |
4 | 200110210000032100203 |
5 | 242342304121131321 |
6 | 4420205451000243 |
7 | 316316660413416 |
oct | 40244400162043 |
9 | 7770042454120 |
10 | 2221102130211 |
11 | 786a67280818 |
12 | 2ba56a739083 |
13 | 1315ab6a6613 |
14 | 7970538bb7d |
15 | 3cb98d24d26 |
hex | 2052400e423 |
2221102130211 has 72 divisors (see below), whose sum is σ = 3502087749264. Its totient is φ = 1355232384000.
The previous prime is 2221102130179. The next prime is 2221102130227. The reversal of 2221102130211 is 1120312011222.
2221102130211 is a `hidden beast` number, since 2 + 221 + 102 + 130 + 211 = 666.
It is not a de Polignac number, because 2221102130211 - 25 = 2221102130179 is a prime.
It is not an unprimeable number, because it can be changed into a prime (2221102130011) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 216624361 + ... + 216634613.
Almost surely, 22221102130211 is an apocalyptic number.
2221102130211 is a deficient number, since it is larger than the sum of its proper divisors (1280985619053).
2221102130211 is a wasteful number, since it uses less digits than its factorization.
2221102130211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12581 (or 12561 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 18.
Adding to 2221102130211 its reverse (1120312011222), we get a palindrome (3341414141433).
The spelling of 2221102130211 in words is "two trillion, two hundred twenty-one billion, one hundred two million, one hundred thirty thousand, two hundred eleven".
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