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13044143420 = 22571131273233
BaseRepresentation
bin11000010010111110…
…11101010100111100
31020200001212010211222
430021133131110330
5203203300042140
65554205132512
7641150250440
oct141137352474
936601763758
1013044143420
115594096020
12264055a138
1312cb589479
148ba57a820
155152715b5
hex3097dd53c

13044143420 has 96 divisors (see below), whose sum is σ = 35253743616. Its totient is φ = 3934540800.

The previous prime is 13044143377. The next prime is 13044143459. The reversal of 13044143420 is 2434144031.

It is a self number, because there is not a number n which added to its sum of digits gives 13044143420.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 88877 + ... + 184356.

It is an arithmetic number, because the mean of its divisors is an integer number (367226496).

Almost surely, 213044143420 is an apocalyptic number.

13044143420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13044143420 is an abundant number, since it is smaller than the sum of its proper divisors (22209600196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13044143420 is a wasteful number, since it uses less digits than its factorization.

13044143420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273291 (or 273289 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 13044143420 its reverse (2434144031), we get a palindrome (15478287451).

The spelling of 13044143420 in words is "thirteen billion, forty-four million, one hundred forty-three thousand, four hundred twenty".

Divisors: 1 2 4 5 7 10 11 14 20 22 28 31 35 44 55 62 70 77 110 124 140 154 155 217 220 308 310 341 385 434 620 682 770 868 1085 1364 1540 1705 2170 2387 3410 4340 4774 6820 9548 11935 23870 47740 273233 546466 1092932 1366165 1912631 2732330 3005563 3825262 5464660 6011126 7650524 8470223 9563155 12022252 15027815 16940446 19126310 21038941 30055630 33880892 38252620 42077882 42351115 59291561 60111260 84155764 84702230 93172453 105194705 118583122 169404460 186344906 210389410 237166244 296457805 372689812 420778820 465862265 592915610 652207171 931724530 1185831220 1304414342 1863449060 2608828684 3261035855 6522071710 13044143420