Search a number
-
+
14428728730 = 2513293827249
BaseRepresentation
bin11010111000000010…
…01110110110011010
31101020120012100211101
431130001032312122
5214022223304410
610343425422014
71020362112343
oct153401166632
941216170741
1014428728730
1161347064a9
12296819a90a
13148c39b910
149ac3d90ca
15596abdd3a
hex35c04ed9a

14428728730 has 32 divisors (see below), whose sum is σ = 28934010000. Its totient is φ = 5143821312.

The previous prime is 14428728719. The next prime is 14428728731. The reversal of 14428728730 is 3782782441.

14428728730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1824400369 + 12604328361 = 42713^2 + 112269^2 .

It is not an unprimeable number, because it can be changed into a prime (14428728731) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1909855 + ... + 1917394.

Almost surely, 214428728730 is an apocalyptic number.

14428728730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

14428728730 is an abundant number, since it is smaller than the sum of its proper divisors (14505281270).

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

14428728730 is a wasteful number, since it uses less digits than its factorization.

14428728730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827298.

The product of its (nonzero) digits is 602112, while the sum is 46.

The spelling of 14428728730 in words is "fourteen billion, four hundred twenty-eight million, seven hundred twenty-eight thousand, seven hundred thirty".

Divisors: 1 2 5 10 13 26 29 58 65 130 145 290 377 754 1885 3770 3827249 7654498 19136245 38272490 49754237 99508474 110990221 221980442 248771185 497542370 554951105 1109902210 1442872873 2885745746 7214364365 14428728730