Base | Representation |
---|---|
bin | 100000010100100101000… |
… | …100011011011101010101 |
3 | 21212100002200011012200122 |
4 | 200110211010123131111 |
5 | 242342323210310234 |
6 | 4420211330121325 |
7 | 316320265402322 |
oct | 40244504333525 |
9 | 7770080135618 |
10 | 2221120010069 |
11 | 786a76383164 |
12 | 2ba574720245 |
13 | 1315b22c6a0c |
14 | 797078c3b49 |
15 | 3cb9a6a792e |
hex | 2052511b755 |
2221120010069 has 2 divisors, whose sum is σ = 2221120010070. Its totient is φ = 2221120010068.
The previous prime is 2221120010047. The next prime is 2221120010071. The reversal of 2221120010069 is 9600100211222.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1221329999044 + 999790011025 = 1105138^2 + 999895^2 .
It is a cyclic number.
It is not a de Polignac number, because 2221120010069 - 224 = 2221103232853 is a prime.
It is a super-2 number, since 2×22211200100692 (a number of 25 digits) contains 22 as substring.
Together with 2221120010071, it forms a pair of twin primes.
It is a Chen prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (2221120010099) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110560005034 + 1110560005035.
It is an arithmetic number, because the mean of its divisors is an integer number (1110560005035).
Almost surely, 22221120010069 is an apocalyptic number.
It is an amenable number.
2221120010069 is a deficient number, since it is larger than the sum of its proper divisors (1).
2221120010069 is an equidigital number, since it uses as much as digits as its factorization.
2221120010069 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 864, while the sum is 26.
The spelling of 2221120010069 in words is "two trillion, two hundred twenty-one billion, one hundred twenty million, ten thousand, sixty-nine".
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