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12560006031173 is a prime number
BaseRepresentation
bin1011011011000101101010…
…1100101010011101000101
31122110201120102020000222222
42312301122230222131011
53121240343020444143
642413553114502125
72434300441516226
oct266613254523505
948421512200888
1012560006031173
114002739a696a7
1214aa268734945
137015325c9a83
14315c9c3c524d
1516baaba98768
hexb6c5ab2a745

12560006031173 has 2 divisors, whose sum is σ = 12560006031174. Its totient is φ = 12560006031172.

The previous prime is 12560006031149. The next prime is 12560006031421. The reversal of 12560006031173 is 37113060006521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12558922436449 + 1083594724 = 3543857^2 + 32918^2 .

It is an emirp because it is prime and its reverse (37113060006521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12560006031173 - 26 = 12560006031109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12560006081173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6280003015586 + 6280003015587.

It is an arithmetic number, because the mean of its divisors is an integer number (6280003015587).

Almost surely, 212560006031173 is an apocalyptic number.

It is an amenable number.

12560006031173 is a deficient number, since it is larger than the sum of its proper divisors (1).

12560006031173 is an equidigital number, since it uses as much as digits as its factorization.

12560006031173 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

Adding to 12560006031173 its reverse (37113060006521), we get a palindrome (49673066037694).

The spelling of 12560006031173 in words is "twelve trillion, five hundred sixty billion, six million, thirty-one thousand, one hundred seventy-three".