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42252155207 is a prime number
BaseRepresentation
bin100111010110011011…
…001011100101000111
311001001121212212122022
4213112123023211013
51143013022431312
631224350153355
73024022251653
oct472633134507
9131047785568
1042252155207
1116a12270639
1282321b285b
133ca4845292
14208b743a63
1511745a7172
hex9d66cb947

42252155207 has 2 divisors, whose sum is σ = 42252155208. Its totient is φ = 42252155206.

The previous prime is 42252155189. The next prime is 42252155237. The reversal of 42252155207 is 70255125224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42252155207 - 214 = 42252138823 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42252155237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21126077603 + 21126077604.

It is an arithmetic number, because the mean of its divisors is an integer number (21126077604).

Almost surely, 242252155207 is an apocalyptic number.

42252155207 is a deficient number, since it is larger than the sum of its proper divisors (1).

42252155207 is an equidigital number, since it uses as much as digits as its factorization.

42252155207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56000, while the sum is 35.

The spelling of 42252155207 in words is "forty-two billion, two hundred fifty-two million, one hundred fifty-five thousand, two hundred seven".