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14145320305 = 517231315779
BaseRepresentation
bin11010010110010000…
…00111010101110001
31100111210220201120001
431023020013111301
5212432200222210
610255343150001
71010351144614
oct151310072561
940453821501
1014145320305
115aa9734566
1228a92a5301
13144575ca1c
1498290417b
1557bc8b03a
hex34b207571

14145320305 has 24 divisors (see below), whose sum is σ = 18613336320. Its totient is φ = 10306993920.

The previous prime is 14145320297. The next prime is 14145320311. The reversal of 14145320305 is 50302354141.

It is not a de Polignac number, because 14145320305 - 23 = 14145320297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113095 + ... + 202684.

It is an arithmetic number, because the mean of its divisors is an integer number (775555680).

Almost surely, 214145320305 is an apocalyptic number.

It is an amenable number.

14145320305 is a deficient number, since it is larger than the sum of its proper divisors (4468016015).

14145320305 is a wasteful number, since it uses less digits than its factorization.

14145320305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315849 (or 315832 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 14145320305 its reverse (50302354141), we get a palindrome (64447674446).

The spelling of 14145320305 in words is "fourteen billion, one hundred forty-five million, three hundred twenty thousand, three hundred five".

Divisors: 1 5 17 31 85 155 289 527 1445 2635 8959 44795 315779 1578895 5368243 9789149 26841215 48945745 91260131 166415533 456300655 832077665 2829064061 14145320305