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12730618528841 is a prime number
BaseRepresentation
bin1011100101000001001111…
…1111101100010001001001
31200002000221200201220222002
42321100103333230101021
53132034301320410331
643024210532440345
72452520411024663
oct271202377542111
950060850656862
1012730618528841
114069030300394
1215173424790b5
137146524070c5
14320245539533
1517124507e9cb
hexb9413fec449

12730618528841 has 2 divisors, whose sum is σ = 12730618528842. Its totient is φ = 12730618528840.

The previous prime is 12730618528811. The next prime is 12730618528861. The reversal of 12730618528841 is 14882581603721.

It is a happy number.

12730618528841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6936507375625 + 5794111153216 = 2633725^2 + 2407096^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12730618528841 is a prime.

It is not a weakly prime, because it can be changed into another prime (12730618528811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6365309264420 + 6365309264421.

It is an arithmetic number, because the mean of its divisors is an integer number (6365309264421).

Almost surely, 212730618528841 is an apocalyptic number.

It is an amenable number.

12730618528841 is a deficient number, since it is larger than the sum of its proper divisors (1).

12730618528841 is an equidigital number, since it uses as much as digits as its factorization.

12730618528841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5160960, while the sum is 56.

The spelling of 12730618528841 in words is "twelve trillion, seven hundred thirty billion, six hundred eighteen million, five hundred twenty-eight thousand, eight hundred forty-one".