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71115342059 is a prime number
BaseRepresentation
bin100001000111011001…
…1100000000011101011
320210120011001200112202
41002032303200003223
52131121011421214
652400412330415
75065206301526
oct1021663400353
9223504050482
1071115342059
1128183836073
1211948473a0b
13692453a578
143628bc9bbd
151cb34c76de
hex108ece00eb

71115342059 has 2 divisors, whose sum is σ = 71115342060. Its totient is φ = 71115342058.

The previous prime is 71115342049. The next prime is 71115342097. The reversal of 71115342059 is 95024351117.

It is an a-pointer prime, because the next prime (71115342097) can be obtained adding 71115342059 to its sum of digits (38).

It is a weak prime.

It is an emirp because it is prime and its reverse (95024351117) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-71115342059 is a prime.

It is not a weakly prime, because it can be changed into another prime (71115342049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35557671029 + 35557671030.

It is an arithmetic number, because the mean of its divisors is an integer number (35557671030).

Almost surely, 271115342059 is an apocalyptic number.

71115342059 is a deficient number, since it is larger than the sum of its proper divisors (1).

71115342059 is an equidigital number, since it uses as much as digits as its factorization.

71115342059 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37800, while the sum is 38.

The spelling of 71115342059 in words is "seventy-one billion, one hundred fifteen million, three hundred forty-two thousand, fifty-nine".