Numbers 49,000,000,000s

A page of the Numeropedia - the Special Encyclopedia of Numbers

40,000,000,000 41,000,000,00042,000,000,000 – 43,000,000,00044,000,000,000

45,000,000,00046,000,000,00047,000,000,00048,000,000,00049,000,000,000

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 ...

49,037,888,025

[Math.]  Sum of the first 665 cube numbers:

13+…+6653 = 49,037,888,025 = (1+…+665)2 = 221,4452.

 

49,333,296,321

[Math.]  Sum of the first 666 cube numbers:

13+…+6663 = 49,333,296,321 = (1+…+666)2 = 222,1112.

 

49,630,037,284

[Math.]  Sum of the first 667 cube numbers:

13+…+6673 = 49,630,037,284 = (1+…+667)2 = 222,7782.

 

49,845,375,580

 [Math.]  Two consecutive sums of consecutive square numbers:

49,845,375,580 = 217362+…+218402 = 218412+…+219442.

 

49,928,114,916

[Math.]  Sum of the first 668 cube numbers:

13+…+6683 = 49,928,114,916 = (1+…+668)2 = 223,4462.

 

49,999,999,995

[Math.]  (Sequence of numbers 49…9…95, with an odd number of digits 9)

499999999952 = 2499999999500000000025 =

= (2–4+9–9+9–9+9–9+9–9+50000000002–5)2.

 

49,999,999,997 & 49,999,999,999

[Math.]

94 = 47×2 and, reversely, 49 = 47+2

994 = 497×2 and, reversely, 499 = 497+2

999999994 =  499999997×2 and, reversely, 499999999 = 499999997+2

9999999994 =  4999999997×2 and, reversely, 4999999999 = 4999999997+2

99999999994 =  49999999997×2 and, reversely, 49999999999 = 49999999997+2

999999999994 =  499999999997×2 and, reversely, 499999999999 = 499999999997+2

...

 

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.

 

For any xy,zwv  = 10,000 to 76,922, there are always twelve 6-digit numbers abc,edf such that xy,zwv +abc,def is equal to one of 12 digit-rotations of 076,923 or 153,846 and the number xy,zwv,abc,def is a multiple of 76,923.