Base | Representation |
---|---|
bin | 10101010111101000… |
… | …101000000101010001 |
3 | 2012020002021001201102 |
4 | 111113220220011101 |
5 | 333442421313314 |
6 | 14312453114145 |
7 | 1441413111356 |
oct | 252750500521 |
9 | 65202231642 |
10 | 22945104209 |
11 | 9804a05445 |
12 | 4544328955 |
13 | 22188ab551 |
14 | 11794bc62d |
15 | 8e45b95de |
hex | 557a28151 |
22945104209 has 2 divisors, whose sum is σ = 22945104210. Its totient is φ = 22945104208.
The previous prime is 22945104199. The next prime is 22945104211. The reversal of 22945104209 is 90240154922.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 16771545025 + 6173559184 = 129505^2 + 78572^2 .
It is a cyclic number.
It is not a de Polignac number, because 22945104209 - 216 = 22945038673 is a prime.
Together with 22945104211, it forms a pair of twin primes.
It is a Chen prime.
It is not a weakly prime, because it can be changed into another prime (22945104269) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11472552104 + 11472552105.
It is an arithmetic number, because the mean of its divisors is an integer number (11472552105).
Almost surely, 222945104209 is an apocalyptic number.
It is an amenable number.
22945104209 is a deficient number, since it is larger than the sum of its proper divisors (1).
22945104209 is an equidigital number, since it uses as much as digits as its factorization.
22945104209 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 51840, while the sum is 38.
The spelling of 22945104209 in words is "twenty-two billion, nine hundred forty-five million, one hundred four thousand, two hundred nine".
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