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14143244240 = 245176790553
BaseRepresentation
bin11010010110000000…
…01100011111010000
31100111200000020201202
431023000030133100
5212431132303430
610255230450332
71010324410136
oct151300143720
940450006652
1014143244240
115aa8546804
1228a86639a8
1314451b3a98
14982523756
1557b9cad45
hex34b00c7d0

14143244240 has 20 divisors (see below), whose sum is σ = 32883043044. Its totient is φ = 5657297664.

The previous prime is 14143244237. The next prime is 14143244309. The reversal of 14143244240 is 4244234141.

It can be written as a sum of positive squares in 2 ways, for example, as 7756677184 + 6386567056 = 88072^2 + 79916^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 88395197 + ... + 88395356.

Almost surely, 214143244240 is an apocalyptic number.

14143244240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14143244240 is an abundant number, since it is smaller than the sum of its proper divisors (18739798804).

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

14143244240 is a wasteful number, since it uses less digits than its factorization.

14143244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176790566 (or 176790560 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 14143244240 its reverse (4244234141), we get a palindrome (18387478381).

The spelling of 14143244240 in words is "fourteen billion, one hundred forty-three million, two hundred forty-four thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 16 20 40 80 176790553 353581106 707162212 883952765 1414324424 1767905530 2828648848 3535811060 7071622120 14143244240