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1298967613441 = 7819116612751
BaseRepresentation
bin10010111001110000100…
…000001101000000000001
311121011212021201210002221
4102321300200031000001
5132240241202112231
62432423144011041
7162563425352131
oct22716040150001
94534767653087
101298967613441
11460986398963
1218b8b9760a81
139565225ac14
1446c2840aac1
1523bc8497d11
hex12e7080d001

1298967613441 has 4 divisors (see below), whose sum is σ = 1298984304384. Its totient is φ = 1298950922500.

The previous prime is 1298967613409. The next prime is 1298967613451. The reversal of 1298967613441 is 1443167698921.

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 1298967613441 - 25 = 1298967613409 is a prime.

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 1298967613441.

It is not an unprimeable number, because it can be changed into a prime (1298967613451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8228185 + ... + 8384566.

It is an arithmetic number, because the mean of its divisors is an integer number (324746076096).

Almost surely, 21298967613441 is an apocalyptic number.

It is an amenable number.

1298967613441 is a deficient number, since it is larger than the sum of its proper divisors (16690943).

1298967613441 is an equidigital number, since it uses as much as digits as its factorization.

1298967613441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16690942.

The product of its digits is 15676416, while the sum is 61.

The spelling of 1298967613441 in words is "one trillion, two hundred ninety-eight billion, nine hundred sixty-seven million, six hundred thirteen thousand, four hundred forty-one".

Divisors: 1 78191 16612751 1298967613441