Numbers 690,000,000,000s

691,234,274,025

[Math.]  Sum of the first 1289 cube numbers:

13+…+12893 = 691,234,274,025 = (1+…+1289)2 = 831,4052.

 

693,380,963,025   

[Math.]  Sum of the first 1290 cube numbers:

13+…+12903 = 693,380,963,025 = (1+…+1290)2 = 832,6952.

 

695,532,648,196   

[Math.]  Sum of the first 1291 cube numbers:

13+…+12913 = 695,532,648,196 = (1+…+1291)2 = 833,9862.

 

697,689,337,284   

[Math.]  Sum of the first 1292 cube numbers:

13+…+12923 = 697,689,337,284 = (1+…+1292)2 = 835,2782.

 

699,851,038,041  

[Math.]  Sum of the first 1293 cube numbers:

13+…+12933 = 699,851,038,041 = (1+…+1293)2 = 836,5712.