Search a number
-
+
14445575140 = 225722278757
BaseRepresentation
bin11010111010000010…
…11111101111100100
31101021201220020202111
431131001133233210
5214041031401030
610345230450404
71020655235263
oct153501375744
941251806674
1014445575140
116143172457
122971963a04
131492a197c9
149b07425da
155982ea62a
hex35d05fbe4

14445575140 has 12 divisors (see below), whose sum is σ = 30335707836. Its totient is φ = 5778230048.

The previous prime is 14445575119. The next prime is 14445575167. The reversal of 14445575140 is 4157554441.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 6612617124 + 7832958016 = 81318^2 + 88504^2 .

It is a super-4 number, since 4×144455751404 (a number of 42 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 14445575093 and 14445575102.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361139359 + ... + 361139398.

It is an arithmetic number, because the mean of its divisors is an integer number (2527975653).

Almost surely, 214445575140 is an apocalyptic number.

14445575140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14445575140 is an abundant number, since it is smaller than the sum of its proper divisors (15890132696).

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

14445575140 is a wasteful number, since it uses less digits than its factorization.

14445575140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 722278766 (or 722278764 counting only the distinct ones).

The product of its (nonzero) digits is 224000, while the sum is 40.

The spelling of 14445575140 in words is "fourteen billion, four hundred forty-five million, five hundred seventy-five thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 722278757 1444557514 2889115028 3611393785 7222787570 14445575140