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12418740869 is a prime number
BaseRepresentation
bin10111001000011011…
…01111001010000101
31012001111001101211112
423210031233022011
5200413144201434
65412144414405
7616514361413
oct134415571205
935044041745
1012418740869
1152a3067907
1224a7017405
13122bb383a2
1485b4a02b3
154ca3d6dce
hex2e436f285

12418740869 has 2 divisors, whose sum is σ = 12418740870. Its totient is φ = 12418740868.

The previous prime is 12418740827. The next prime is 12418740881. The reversal of 12418740869 is 96804781421.

12418740869 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12398822500 + 19918369 = 111350^2 + 4463^2 .

It is a cyclic number.

It is not a de Polignac number, because 12418740869 - 212 = 12418736773 is a prime.

It is a super-2 number, since 2×124187408692 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12418740809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6209370434 + 6209370435.

It is an arithmetic number, because the mean of its divisors is an integer number (6209370435).

Almost surely, 212418740869 is an apocalyptic number.

It is an amenable number.

12418740869 is a deficient number, since it is larger than the sum of its proper divisors (1).

12418740869 is an equidigital number, since it uses as much as digits as its factorization.

12418740869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 774144, while the sum is 50.

The spelling of 12418740869 in words is "twelve billion, four hundred eighteen million, seven hundred forty thousand, eight hundred sixty-nine".