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12730256311229 = 83153376582063
BaseRepresentation
bin1011100100111111111001…
…1001111100001110111101
31200002000000110011100210222
42321033332121330032331
53132033031103424404
643024110553111125
72452505422153652
oct271177631741675
950060013140728
1012730256311229
1140689648a0996
1215172610b84a5
137145c5363b62
1432020d3abc29
15171223380dbe
hexb93fe67c3bd

12730256311229 has 4 divisors (see below), whose sum is σ = 12883632893376. Its totient is φ = 12576879729084.

The previous prime is 12730256311219. The next prime is 12730256311259. The reversal of 12730256311229 is 92211365203721.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12730256311229 - 28 = 12730256310973 is a prime.

It is a super-3 number, since 3×127302563112293 (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12730256311229.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730256311219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76688290949 + ... + 76688291114.

It is an arithmetic number, because the mean of its divisors is an integer number (3220908223344).

Almost surely, 212730256311229 is an apocalyptic number.

It is an amenable number.

12730256311229 is a deficient number, since it is larger than the sum of its proper divisors (153376582147).

12730256311229 is an equidigital number, since it uses as much as digits as its factorization.

12730256311229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153376582146.

The product of its (nonzero) digits is 272160, while the sum is 44.

The spelling of 12730256311229 in words is "twelve trillion, seven hundred thirty billion, two hundred fifty-six million, three hundred eleven thousand, two hundred twenty-nine".

Divisors: 1 83 153376582063 12730256311229