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13143144235 = 513829243911
BaseRepresentation
bin11000011110110010…
…00111011100101011
31020220222010220102211
430033121013130223
5203404121103420
610012103105551
7643461611524
oct141731073453
936828126384
1013143144235
115634a64881
1226697422b7
131315c40230
148c978b84b
1551dcc9e5a
hex30f64772b

13143144235 has 16 divisors (see below), whose sum is σ = 17005544640. Its totient is φ = 9693959040.

The previous prime is 13143144191. The next prime is 13143144239. The reversal of 13143144235 is 53244134131.

It is not a de Polignac number, because 13143144235 - 213 = 13143136043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13143144197 and 13143144206.

It is not an unprimeable number, because it can be changed into a prime (13143144239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 68071 + ... + 175840.

It is an arithmetic number, because the mean of its divisors is an integer number (1062846540).

Almost surely, 213143144235 is an apocalyptic number.

13143144235 is a deficient number, since it is larger than the sum of its proper divisors (3862400405).

13143144235 is a wasteful number, since it uses less digits than its factorization.

13143144235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244758.

The product of its digits is 17280, while the sum is 31.

Adding to 13143144235 its reverse (53244134131), we get a palindrome (66387278366).

The spelling of 13143144235 in words is "thirteen billion, one hundred forty-three million, one hundred forty-four thousand, two hundred thirty-five".

Divisors: 1 5 13 65 829 4145 10777 53885 243911 1219555 3170843 15854215 202202219 1011011095 2628628847 13143144235