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13683172457917 is a prime number
BaseRepresentation
bin1100011100011101110010…
…1000100011110110111101
31210110002122211000012220001
43013013130220203312331
53243141114122123132
645033543533154301
72611401524600434
oct307073450436675
953402584005801
1013683172457917
1143a6001150a16
12164ba8292b991
13783418a94c61
143543aa50011b
1518ade6280ce7
hexc71dca23dbd

13683172457917 has 2 divisors, whose sum is σ = 13683172457918. Its totient is φ = 13683172457916.

The previous prime is 13683172457893. The next prime is 13683172457947. The reversal of 13683172457917 is 71975427138631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11342743674201 + 2340428783716 = 3367899^2 + 1529846^2 .

It is a cyclic number.

It is not a de Polignac number, because 13683172457917 - 227 = 13683038240189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13683172457947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6841586228958 + 6841586228959.

It is an arithmetic number, because the mean of its divisors is an integer number (6841586228959).

Almost surely, 213683172457917 is an apocalyptic number.

It is an amenable number.

13683172457917 is a deficient number, since it is larger than the sum of its proper divisors (1).

13683172457917 is an equidigital number, since it uses as much as digits as its factorization.

13683172457917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 53343360, while the sum is 64.

The spelling of 13683172457917 in words is "thirteen trillion, six hundred eighty-three billion, one hundred seventy-two million, four hundred fifty-seven thousand, nine hundred seventeen".