Numbers 80,000,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

80,000,000,00081,000,000,00082,000,000,000 – 83,000,000,00084,000,000,000

85,000,000,00086,000,000,00087,000,000,00088,000,000,00089,000,000,000

All Numbers  – [1B] –  [10B] –  [20B] – [30B] – [40B] – [50B] – [60B] – [70B] – [80B] – [90B] & [100B]

1  - 10 - 100  - 1000 - 10,000 - 100,000 - 1M - 10M - 100M1B10B - 100B - 1T - 10T - 100T - 1Q ...

80,000,000,001

[Math.]

987,654,321×09 = 08,888,888,889

987,654,321×18 = 17,777,777,778

987,654,321×27 = 26,666,666,667

987,654,321×36 = 35,555,555,556

987,654,321×45 = 44,444,444,445

987,654,321×54 = 53,333,333,334

987,654,321×63 = 62,222,222,223

987,654,321×72 = 71,111,111,112

987,654,321×81 = 80,000,000,001. 

 

80,000,000,003

[Math.]  (Sequence of numbers 80…032 = 640…0480…09)

80,000,000,0032 = 6400000000480000000009 = (–6+4–000000004+80000000009)2.

 

80,000,000,005

[Math.]  (Sequence of numbers 80…052 = 640…080…025)

80,000,000,0052 = 6400000000800000000025 =

= (–6+4+00000000+80000000002+5)2.

 

80,161,464,384

[Math.]  Sum of the first 752 cube numbers:

13+…+7523 = 80,161,464,384 = (1+…+752)2 = 283,1282.

 

80,588,422,161

[Math.]  Sum of the first 753 cube numbers:

13+…+7533 = 80,588,422,161 = (1+…+753)2 = 283,8812 


xy,zwv,abc,def

[Math.]  For any xy,zwv = 10,000 to 99,999, there are always six 6-digit numbers abc,edf such that xy,zwv +abc,def is equal to one of 6 digit-rotations of 142,857 and the number xy,zwv,abc,def is a multiple of 142,857.