Search a number
-
+
13144201020 = 2233528386011
BaseRepresentation
bin11000011110111010…
…01001011100111100
31020221001010121002000
430033131021130330
5203404403413040
610012141502300
7643503602526
oct141735113474
936831117060
1013144201020
115635616855
122669b71990
131316220252
148c9984a16
1551de38130
hex30f74973c

13144201020 has 96 divisors (see below), whose sum is σ = 41038045440. Its totient is φ = 3492694080.

The previous prime is 13144200967. The next prime is 13144201027. The reversal of 13144201020 is 2010244131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 13144200984 and 13144201002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144201027) 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 31 ways as a sum of consecutive naturals, for example, 109815 + ... + 195825.

It is an arithmetic number, because the mean of its divisors is an integer number (427479640).

Almost surely, 213144201020 is an apocalyptic number.

13144201020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13144201020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20519022720).

13144201020 is an abundant number, since it is smaller than the sum of its proper divisors (27893844420).

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

13144201020 is a wasteful number, since it uses less digits than its factorization.

13144201020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86312 (or 86304 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 13144201020 its reverse (2010244131), we get a palindrome (15154445151).

The spelling of 13144201020 in words is "thirteen billion, one hundred forty-four million, two hundred one thousand, twenty".

Divisors: 1 2 3 4 5 6 9 10 12 15 18 20 27 30 36 45 54 60 90 108 135 180 270 283 540 566 849 1132 1415 1698 2547 2830 3396 4245 5094 5660 7641 8490 10188 12735 15282 16980 25470 30564 38205 50940 76410 86011 152820 172022 258033 344044 430055 516066 774099 860110 1032132 1290165 1548198 1720220 2322297 2580330 3096396 3870495 4644594 5160660 7740990 9289188 11611485 15481980 23222970 24341113 46445940 48682226 73023339 97364452 121705565 146046678 219070017 243411130 292093356 365116695 438140034 486822260 657210051 730233390 876280068 1095350085 1314420102 1460466780 2190700170 2628840204 3286050255 4381400340 6572100510 13144201020