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Enter the EBAU Mathematics Store at: https://matematicasebau.com/tienda/ WHAT is Euler's PHI Function? The Most Important Function in Number Theory Euler's Tocient Function Euler's Phi Function _______________________________ In this video we take a mathematical journey through Euler's incredible Phi function, also called Euler's Tocient Function. Here you will learn its definition, some essential properties that allow us to calculate it for any natural number, and I will tell you about its applications to cryptography in one of the ciphers used today. ???? Subscribe and Activate the Bell: Don't forget to subscribe and activate notifications so you don't miss any advice that could be the difference between a pass and academic excellence. _______________________________ If you are preparing for the EBAU Mathematics II test, then you must enroll in our specialized training (+46 hours of content): https://www.udemy.com/course/prueba-e... Become a member of this channel to enjoy benefits: / @matematicasebau #matematicasebau #carlosreinaldo #phifunction #euler #functions #numbertheory #numbers #naturalnumbers #totient