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14405201540 = 225720260077
BaseRepresentation
bin11010110101001110…
…11110111010000100
31101011220221001120222
431122213132322010
5214000212422130
610341225243512
71016655123062
oct153247367204
941156831528
1014405201540
1161223a7144
122960333598
131487551bc2
149a9233032
155949c2ce5
hex35a9dee84

14405201540 has 12 divisors (see below), whose sum is σ = 30250923276. Its totient is φ = 5762080608.

The previous prime is 14405201521. The next prime is 14405201561. The reversal of 14405201540 is 4510250441.

It can be written as a sum of positive squares in 2 ways, for example, as 8570686084 + 5834515456 = 92578^2 + 76384^2 .

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 3 ways as a sum of consecutive naturals, for example, 360130019 + ... + 360130058.

It is an arithmetic number, because the mean of its divisors is an integer number (2520910273).

Almost surely, 214405201540 is an apocalyptic number.

14405201540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14405201540 is an abundant number, since it is smaller than the sum of its proper divisors (15845721736).

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

14405201540 is a wasteful number, since it uses less digits than its factorization.

14405201540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720260086 (or 720260084 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

Adding to 14405201540 its reverse (4510250441), we get a palindrome (18915451981).

The spelling of 14405201540 in words is "fourteen billion, four hundred five million, two hundred one thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 720260077 1440520154 2881040308 3601300385 7202600770 14405201540