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22754040161 is a prime number
BaseRepresentation
bin10101001100001111…
…110001100101100001
32011201202202000010012
4111030033301211201
5333100013241121
614241510014305
71433603102336
oct251417614541
964652660105
1022754040161
119717076176
1244b0347395
1321b81326b8
14115bd8498d
158d2927c5b
hex54c3f1961

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".