Base | Representation |
---|---|
bin | 10101001100001111… |
… | …110001100101100001 |
3 | 2011201202202000010012 |
4 | 111030033301211201 |
5 | 333100013241121 |
6 | 14241510014305 |
7 | 1433603102336 |
oct | 251417614541 |
9 | 64652660105 |
10 | 22754040161 |
11 | 9717076176 |
12 | 44b0347395 |
13 | 21b81326b8 |
14 | 115bd8498d |
15 | 8d2927c5b |
hex | 54c3f1961 |
22754040161 has 2 divisors, whose sum is σ = 22754040162. Its totient is φ = 22754040160.
The previous prime is 22754040151. The next prime is 22754040163. The reversal of 22754040161 is 16104045722.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 22326336400 + 427703761 = 149420^2 + 20681^2 .
It is a cyclic number.
It is not a de Polignac number, because 22754040161 - 210 = 22754039137 is a prime.
Together with 22754040163, 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 (22754040163) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11377020080 + 11377020081.
It is an arithmetic number, because the mean of its divisors is an integer number (11377020081).
Almost surely, 222754040161 is an apocalyptic number.
It is an amenable number.
22754040161 is a deficient number, since it is larger than the sum of its proper divisors (1).
22754040161 is an equidigital number, since it uses as much as digits as its factorization.
22754040161 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 13440, while the sum is 32.
Adding to 22754040161 its reverse (16104045722), we get a palindrome (38858085883).
The spelling of 22754040161 in words is "twenty-two billion, seven hundred fifty-four million, forty thousand, one hundred sixty-one".
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