[1] [CITE@en[Time formatting and storage bugs - Wikipedia]], [TIME[2023-11-24T03:13:21.000Z]], [TIME[2023-11-25T07:44:35.966Z]] <https://en.wikipedia.org/wiki/Time_formatting_and_storage_bugs#Year_2048>

>The capacity planning logic in the ERP system SAP S/4HANA supports only finish dates up to 19 January 2048, (24,855 days from 1 January 1980). This concerns e.g. the production, maintenance and inspection planning.[SNIP[]]



[2] 
>>1 この説明だけだとよくわからないですけど、

[FIG(math)[
2[SUP[14]] + 2[SUP[13]] + 2[SUP[8]] + 2[SUP[4]] + 2[SUP[3]] - 1 = 24855
]FIG]

です。