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13111739471 is a prime number
BaseRepresentation
bin11000011011000010…
…10100010001001111
31020211210001101012102
430031201110101033
5203323101130341
610005022025315
7642630642455
oct141541242117
936753041172
1013111739471
115619264a26
12265b11823b
13130c595a2c
148c55349d5
1551b174c9b
hex30d85444f

13111739471 has 2 divisors, whose sum is σ = 13111739472. Its totient is φ = 13111739470.

The previous prime is 13111739453. The next prime is 13111739539. The reversal of 13111739471 is 17493711131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13111739471 - 210 = 13111738447 is a prime.

It is a super-3 number, since 3×131117394713 (a number of 31 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13111739171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6555869735 + 6555869736.

It is an arithmetic number, because the mean of its divisors is an integer number (6555869736).

Almost surely, 213111739471 is an apocalyptic number.

13111739471 is a deficient number, since it is larger than the sum of its proper divisors (1).

13111739471 is an equidigital number, since it uses as much as digits as its factorization.

13111739471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15876, while the sum is 38.

The spelling of 13111739471 in words is "thirteen billion, one hundred eleven million, seven hundred thirty-nine thousand, four hundred seventy-one".