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12841045489 = 17755355617
BaseRepresentation
bin10111111010110001…
…01100110111110001
31020010220200200212101
423331120230313301
5202244301423424
65522112100401
7633133041256
oct137530546761
936126620771
1012841045489
11549a487598
1225a4534701
13129848908c
1489b5cd42d
15502504344
hex2fd62cdf1

12841045489 has 4 divisors (see below), whose sum is σ = 13596401124. Its totient is φ = 12085689856.

The previous prime is 12841045457. The next prime is 12841045493. The reversal of 12841045489 is 98454014821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3716975089 + 9124070400 = 60967^2 + 95520^2 .

It is a cyclic number.

It is not a de Polignac number, because 12841045489 - 25 = 12841045457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12841045499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 377677792 + ... + 377677825.

It is an arithmetic number, because the mean of its divisors is an integer number (3399100281).

Almost surely, 212841045489 is an apocalyptic number.

It is an amenable number.

12841045489 is a deficient number, since it is larger than the sum of its proper divisors (755355635).

12841045489 is an equidigital number, since it uses as much as digits as its factorization.

12841045489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 755355634.

The product of its (nonzero) digits is 368640, while the sum is 46.

The spelling of 12841045489 in words is "twelve billion, eight hundred forty-one million, forty-five thousand, four hundred eighty-nine".

Divisors: 1 17 755355617 12841045489