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13044440045 = 571367449953
BaseRepresentation
bin11000010011000001…
…00101101111101101
31020200002102012202002
430021200211233231
5203203334040140
65554215342045
7641152624310
oct141140455755
936602365662
1013044440045
11559427896a
122640681925
1312cb6614a0
148ba616977
155152ce415
hex309825bed

13044440045 has 64 divisors (see below), whose sum is σ = 19617292800. Its totient is φ = 8106835968.

The previous prime is 13044440039. The next prime is 13044440077. The reversal of 13044440045 is 54004444031.

13044440045 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13044440045 - 222 = 13040245741 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13687289 + ... + 13688241.

It is an arithmetic number, because the mean of its divisors is an integer number (306520200).

Almost surely, 213044440045 is an apocalyptic number.

It is an amenable number.

13044440045 is a deficient number, since it is larger than the sum of its proper divisors (6572852755).

13044440045 is a wasteful number, since it uses less digits than its factorization.

13044440045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494.

The product of its (nonzero) digits is 15360, while the sum is 29.

Adding to 13044440045 its reverse (54004444031), we get a palindrome (67048884076).

The spelling of 13044440045 in words is "thirteen billion, forty-four million, four hundred forty thousand, forty-five".

Divisors: 1 5 7 13 35 65 67 91 335 449 455 469 871 953 2245 2345 3143 4355 4765 5837 6097 6671 12389 15715 29185 30083 30485 33355 40859 61945 63851 86723 150415 204295 210581 319255 391079 427897 433615 446957 830063 1052905 1955395 2139485 2234785 2737553 2995279 4150315 5562661 5810441 13687765 14976395 27813305 28669099 29052205 38938627 143345495 194693135 200683693 372698287 1003418465 1863491435 2608888009 13044440045