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BaseRepresentation
bin10011000111100101101110…
…01100111110011100010111
312111212012022010222010121111
421203302313030332130113
521002304423130302041
6225225532023355451
711566310146433041
oct1143626714763427
9174765263863544
1042042213525271
111243a003551223
1248700902b2b87
131a5c74366a04b
14a54bd54d4a91
154cd933bc0981
hex263cb733e717

42042213525271 has 2 divisors, whose sum is σ = 42042213525272. Its totient is φ = 42042213525270.

The previous prime is 42042213525223. The next prime is 42042213525371. The reversal of 42042213525271 is 17252531224024.

Adding to 42042213525271 its reverse (17252531224024), we get a palindrome (59294744749295).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42042213525271 - 217 = 42042213394199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42042213525371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21021106762635 + 21021106762636.

It is an arithmetic number, because the mean of its divisors is an integer number (21021106762636).

Almost surely, 242042213525271 is an apocalyptic number.

42042213525271 is a deficient number, since it is larger than the sum of its proper divisors (1).

42042213525271 is an equidigital number, since it uses as much as digits as its factorization.

42042213525271 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 268800, while the sum is 40.

The spelling of 42042213525271 in words is "forty-two trillion, forty-two billion, two hundred thirteen million, five hundred twenty-five thousand, two hundred seventy-one".