Base | Representation |
---|---|
bin | 110010010001100100111100… |
… | …001111101011110101100101 |
3 | 1001222212221010112212022210112 |
4 | 302101210330033223311211 |
5 | 212440132213330010203 |
6 | 2102132344520302405 |
7 | 64400454266511203 |
oct | 6221447417536545 |
9 | 1058787115768715 |
10 | 221110222110053 |
11 | 644a835605aa11 |
12 | 20970786011a05 |
13 | 964b7b20642c3 |
14 | 3c85b12ba8073 |
15 | 1a868b70096d8 |
hex | c9193c3ebd65 |
221110222110053 has 2 divisors, whose sum is σ = 221110222110054. Its totient is φ = 221110222110052.
The previous prime is 221110222109999. The next prime is 221110222110079. The reversal of 221110222110053 is 350011222011122.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 157880657413249 + 63229564696804 = 12565057^2 + 7951702^2 .
It is a cyclic number.
It is not a de Polignac number, because 221110222110053 - 212 = 221110222105957 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (221110222110553) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110555111055026 + 110555111055027.
It is an arithmetic number, because the mean of its divisors is an integer number (110555111055027).
Almost surely, 2221110222110053 is an apocalyptic number.
It is an amenable number.
221110222110053 is a deficient number, since it is larger than the sum of its proper divisors (1).
221110222110053 is an equidigital number, since it uses as much as digits as its factorization.
221110222110053 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 480, while the sum is 23.
Adding to 221110222110053 its reverse (350011222011122), we get a palindrome (571121444121175).
The spelling of 221110222110053 in words is "two hundred twenty-one trillion, one hundred ten billion, two hundred twenty-two million, one hundred ten thousand, fifty-three".
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