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14131235540 = 225706561777
BaseRepresentation
bin11010010100100100…
…11000101011010100
31100110211102010220002
431022102120223110
5212420044014130
610254121230432
71010120343302
oct151222305324
940424363802
1014131235540
115aa1794464
1228a4632418
13144286ab46
14980ab9272
1557a907b45
hex34a498ad4

14131235540 has 12 divisors (see below), whose sum is σ = 29675594676. Its totient is φ = 5652494208.

The previous prime is 14131235519. The next prime is 14131235557. The reversal of 14131235540 is 4553213141.

It can be written as a sum of positive squares in 2 ways, for example, as 2276816656 + 11854418884 = 47716^2 + 108878^2 .

It is a congruent number.

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, 353280869 + ... + 353280908.

It is an arithmetic number, because the mean of its divisors is an integer number (2472966223).

Almost surely, 214131235540 is an apocalyptic number.

14131235540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14131235540 is an abundant number, since it is smaller than the sum of its proper divisors (15544359136).

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

14131235540 is a wasteful number, since it uses less digits than its factorization.

14131235540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706561786 (or 706561784 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 14131235540 its reverse (4553213141), we get a palindrome (18684448681).

The spelling of 14131235540 in words is "fourteen billion, one hundred thirty-one million, two hundred thirty-five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 706561777 1413123554 2826247108 3532808885 7065617770 14131235540