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42445301453 is a prime number
BaseRepresentation
bin100111100001111011…
…111110011011001101
311001120002022201110222
4213201323332123031
51143411444121303
631255450041125
73031556052362
oct474173763315
9131502281428
1042445301453
11170012a2235
128286a191a5
13400586cab9
1420a9260469
15118650a938
hex9e1efe6cd

42445301453 has 2 divisors, whose sum is σ = 42445301454. Its totient is φ = 42445301452.

The previous prime is 42445301443. The next prime is 42445301467. The reversal of 42445301453 is 35410354424.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42443416324 + 1885129 = 206018^2 + 1373^2 .

It is a cyclic number.

It is not a de Polignac number, because 42445301453 - 218 = 42445039309 is a prime.

It is a super-2 number, since 2×424453014532 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42445301413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21222650726 + 21222650727.

It is an arithmetic number, because the mean of its divisors is an integer number (21222650727).

Almost surely, 242445301453 is an apocalyptic number.

It is an amenable number.

42445301453 is a deficient number, since it is larger than the sum of its proper divisors (1).

42445301453 is an equidigital number, since it uses as much as digits as its factorization.

42445301453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 42445301453 its reverse (35410354424), we get a palindrome (77855655877).

The spelling of 42445301453 in words is "forty-two billion, four hundred forty-five million, three hundred one thousand, four hundred fifty-three".