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13125411321013 = 223465712638683
BaseRepresentation
bin1011111011111111111101…
…1110101011010010110101
31201110202222111000201200201
42332333333132223102311
53210021320244233023
643525421500240501
72523164633264035
oct276777736532265
951422874021621
1013125411321013
11420050156a442
12157b961840131
1374294aca7884
143353b7cdd8c5
1517b64e741bad
hexbefff7ab4b5

13125411321013 has 8 divisors (see below), whose sum is σ = 13187101776128. Its totient is φ = 13063746153024.

The previous prime is 13125411320963. The next prime is 13125411321227. The reversal of 13125411321013 is 31012311452131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13125411321013 - 213 = 13125411312821 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 (13125411321413) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5280831 + ... + 7357852.

It is an arithmetic number, because the mean of its divisors is an integer number (1648387722016).

Almost surely, 213125411321013 is an apocalyptic number.

It is an amenable number.

13125411321013 is a deficient number, since it is larger than the sum of its proper divisors (61690455115).

13125411321013 is a wasteful number, since it uses less digits than its factorization.

13125411321013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12643563.

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 13125411321013 its reverse (31012311452131), we get a palindrome (44137722773144).

The spelling of 13125411321013 in words is "thirteen trillion, one hundred twenty-five billion, four hundred eleven million, three hundred twenty-one thousand, thirteen".

Divisors: 1 223 4657 1038511 12638683 2818426309 58858346731 13125411321013