Base | Representation |
---|---|
bin | 10100011111100111… |
… | …010111100110100101 |
3 | 2002210120202112202122 |
4 | 110133213113212211 |
5 | 330031321003334 |
6 | 14035320515325 |
7 | 1406211354116 |
oct | 243747274645 |
9 | 62716675678 |
10 | 22005250469 |
11 | 9372432414 |
12 | 432161bb45 |
13 | 20c8c6ca87 |
14 | 10ca74a20d |
15 | 88bd1932e |
hex | 51f9d79a5 |
22005250469 has 2 divisors, whose sum is σ = 22005250470. Its totient is φ = 22005250468.
The previous prime is 22005250457. The next prime is 22005250511. The reversal of 22005250469 is 96405250022.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 20753859844 + 1251390625 = 144062^2 + 35375^2 .
It is a cyclic number.
It is not a de Polignac number, because 22005250469 - 28 = 22005250213 is a prime.
It is a super-2 number, since 2×220052504692 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (22005250409) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002625234 + 11002625235.
It is an arithmetic number, because the mean of its divisors is an integer number (11002625235).
Almost surely, 222005250469 is an apocalyptic number.
It is an amenable number.
22005250469 is a deficient number, since it is larger than the sum of its proper divisors (1).
22005250469 is an equidigital number, since it uses as much as digits as its factorization.
22005250469 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 43200, while the sum is 35.
The spelling of 22005250469 in words is "twenty-two billion, five million, two hundred fifty thousand, four hundred sixty-nine".
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