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13055044409 = 112107892929
BaseRepresentation
bin11000010100010010…
…00010101100111001
31020200211100222012022
430022021002230321
5203214042410114
65555234524225
7641342021651
oct141211025471
936624328168
1013055044409
11559a261100
122644136675
131300905164
148bbbb7361
155161c648e
hex30a242b39

13055044409 has 6 divisors (see below), whose sum is σ = 14349759690. Its totient is φ = 11868222080.

The previous prime is 13055044399. The next prime is 13055044423. The reversal of 13055044409 is 90444055031.

It can be written as a sum of positive squares in only one way, i.e., 11984118784 + 1070925625 = 109472^2 + 32725^2 .

It is not a de Polignac number, because 13055044409 - 220 = 13053995833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13055044489) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 53946344 + ... + 53946585.

It is an arithmetic number, because the mean of its divisors is an integer number (2391626615).

Almost surely, 213055044409 is an apocalyptic number.

It is an amenable number.

13055044409 is a deficient number, since it is larger than the sum of its proper divisors (1294715281).

13055044409 is a wasteful number, since it uses less digits than its factorization.

13055044409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107892951 (or 107892940 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The spelling of 13055044409 in words is "thirteen billion, fifty-five million, forty-four thousand, four hundred nine".

Divisors: 1 11 121 107892929 1186822219 13055044409