Numbers 850,000,000,000s

851,487,863,121

[Math.]  Sum of the first 1358 cube numbers:

13+…+13583 = 851,487,863,121 = (1+…+1358)2 = 922,7612.

 

853,997,774,400   

[Math.]  Sum of the first 1359 cube numbers:

13+…+13593 = 853,997,774,400 = (1+…+1359)2 = 924,1202.

 

855,138,634,260

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

855,138,634,260 = 678962+…+680802 = 680812+…+682642.

 

856,513,230,400   

[Math.]  Sum of the first 1360 cube numbers:

13+…+13603 = 856,513,230,400 = (1+…+1360)2 = 925,4802.

 

859,034,239,281   

[Math.]  Sum of the first 1361 cube numbers:

13+…+13613 = 859,034,239,281 = (1+…+1361)2 = 926,8412.