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13170109 is a prime number
BaseRepresentation
bin110010001111…
…010110111101
3220210002222211
4302033112331
511332420414
61150140421
7216641551
oct62172675
926702884
1013170109
117485997
1244b1711
132961784
141a6b861
1512523c4
hexc8f5bd

13170109 has 2 divisors, whose sum is σ = 13170110. Its totient is φ = 13170108.

The previous prime is 13170029. The next prime is 13170137. The reversal of 13170109 is 90107131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12404484 + 765625 = 3522^2 + 875^2 .

It is a cyclic number.

It is not a de Polignac number, because 13170109 - 213 = 13161917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13170109.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13170139) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6585054 + 6585055.

It is an arithmetic number, because the mean of its divisors is an integer number (6585055).

Almost surely, 213170109 is an apocalyptic number.

It is an amenable number.

13170109 is a deficient number, since it is larger than the sum of its proper divisors (1).

13170109 is an equidigital number, since it uses as much as digits as its factorization.

13170109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 189, while the sum is 22.

The square root of 13170109 is about 3629.0644800003. The cubic root of 13170109 is about 236.1546255189.

The spelling of 13170109 in words is "thirteen million, one hundred seventy thousand, one hundred nine".