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13440134041 = 31799375857
BaseRepresentation
bin11001000010001100…
…00010101110011001
31021200122222112212021
430201012002232121
5210011133242131
610101352414441
7654026153155
oct144106025631
937618875767
1013440134041
1157776726a4
1227310a7421
131362625b49
14916dba065
15539de1e11
hex321182b99

13440134041 has 16 divisors (see below), whose sum is σ = 14066698240. Its totient is φ = 12826045440.

The previous prime is 13440134021. The next prime is 13440134077. The reversal of 13440134041 is 14043104431.

It is a cyclic number.

It is not a de Polignac number, because 13440134041 - 229 = 12903263129 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13440133997 and 13440134015.

It is not an unprimeable number, because it can be changed into a prime (13440134021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2291785 + ... + 2297641.

It is an arithmetic number, because the mean of its divisors is an integer number (879168640).

Almost surely, 213440134041 is an apocalyptic number.

It is an amenable number.

13440134041 is a deficient number, since it is larger than the sum of its proper divisors (626564199).

13440134041 is an equidigital number, since it uses as much as digits as its factorization.

13440134041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6904.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 13440134041 its reverse (14043104431), we get a palindrome (27483238472).

The spelling of 13440134041 in words is "thirteen billion, four hundred forty million, one hundred thirty-four thousand, forty-one".

Divisors: 1 31 79 937 2449 5857 29047 74023 181567 462703 2294713 5488009 14343793 170128279 433552711 13440134041