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18040114769 is a prime number
BaseRepresentation
bin10000110011010001…
…100100111001010001
31201120020122210010212
4100303101210321101
5243421232133034
612142034133505
71206023305535
oct206321447121
951506583125
1018040114769
1177181a1266
1235b5721295
131916637431
14c31cadbc5
15708b7e2ce
hex433464e51

18040114769 has 2 divisors, whose sum is σ = 18040114770. Its totient is φ = 18040114768.

The previous prime is 18040114739. The next prime is 18040114801. The reversal of 18040114769 is 96741104081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17951980225 + 88134544 = 133985^2 + 9388^2 .

It is an emirp because it is prime and its reverse (96741104081) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 18040114769 - 232 = 13745147473 is a prime.

It is a super-2 number, since 2×180401147692 (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (18040114739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9020057384 + 9020057385.

It is an arithmetic number, because the mean of its divisors is an integer number (9020057385).

Almost surely, 218040114769 is an apocalyptic number.

It is an amenable number.

18040114769 is a deficient number, since it is larger than the sum of its proper divisors (1).

18040114769 is an equidigital number, since it uses as much as digits as its factorization.

18040114769 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 41.

The spelling of 18040114769 in words is "eighteen billion, forty million, one hundred fourteen thousand, seven hundred sixty-nine".