Add spaces: Saturday10February,201861814857requestssinceTuesday16December,2003

Answer: Saturday 10 February, 2018 61814857 requests since Tuesday 16 December, 2003

Add spaces: Useamildshampooorachildren'sshampoo.

Answer: Use a mild shampoo or a children's shampoo.

Add spaces: Within3yearsofpurchaseforanorganisationswitchingtoGoogleAppsfromtraditionalon-premiseinfrastructure...

Answer:
Within 3 years of purchase for an organisation switching to Google Apps from traditional on-premise infrastructure...