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13044425453 = 121710718509
BaseRepresentation
bin11000010011000001…
…00010001011101101
31020200002101110201122
430021200202023231
5203203333103303
65554215150325
7641152533623
oct141140421355
936602343648
1013044425453
115594268a04
1226406753a5
1312cb657957
148ba611513
155152c9e38
hex3098222ed

13044425453 has 4 divisors (see below), whose sum is σ = 13055145180. Its totient is φ = 13033705728.

The previous prime is 13044425447. The next prime is 13044425467. The reversal of 13044425453 is 35452444031.

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 1492045129 + 11552380324 = 38627^2 + 107482^2 .

It is a cyclic number.

It is not a de Polignac number, because 13044425453 - 214 = 13044409069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13044425423) 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, 5358038 + ... + 5360471.

It is an arithmetic number, because the mean of its divisors is an integer number (3263786295).

Almost surely, 213044425453 is an apocalyptic number.

It is an amenable number.

13044425453 is a deficient number, since it is larger than the sum of its proper divisors (10719727).

13044425453 is a wasteful number, since it uses less digits than its factorization.

13044425453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10719726.

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 13044425453 its reverse (35452444031), we get a palindrome (48496869484).

The spelling of 13044425453 in words is "thirteen billion, forty-four million, four hundred twenty-five thousand, four hundred fifty-three".

Divisors: 1 1217 10718509 13044425453