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42038037571 is a prime number
BaseRepresentation
bin100111001001101010…
…011000110001000011
311000111200222120110111
4213021222120301003
51142043214200241
631151221012151
73015512265205
oct471152306103
9130450876414
1042038037571
1116912415912
128192554057
133c6c38715a
14206b128775
1511608aec81
hex9c9a98c43

42038037571 has 2 divisors, whose sum is σ = 42038037572. Its totient is φ = 42038037570.

The previous prime is 42038037553. The next prime is 42038037581. The reversal of 42038037571 is 17573083024.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42038037571 - 25 = 42038037539 is a prime.

It is not a weakly prime, because it can be changed into another prime (42038037551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21019018785 + 21019018786.

It is an arithmetic number, because the mean of its divisors is an integer number (21019018786).

Almost surely, 242038037571 is an apocalyptic number.

42038037571 is a deficient number, since it is larger than the sum of its proper divisors (1).

42038037571 is an equidigital number, since it uses as much as digits as its factorization.

42038037571 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 42038037571 in words is "forty-two billion, thirty-eight million, thirty-seven thousand, five hundred seventy-one".