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DEADBEEF in Decimal

Hexadecimal DEADBEEF equals 3735928559 in decimal.

Why this number matters: 3735928559 is 0xDEADBEEF - a famous hexspeak magic number used to mark uninitialized memory.

DEADBEEF in all number bases

Decimal3735928559
Hexadecimal0xDEADBEEF
Binary1101 1110 1010 1101 1011 1110 1110 1111
Octal33653337357

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Edit this value or switch its base. Your changes are calculated in your browser with exact integer arithmetic.

Input base:
Decimal3735928559
Hex0xDEADBEEF
Binary0b11011110101011011011111011101111
Octal0o33653337357

How deadbeef converts from hexadecimal to decimal

Multiply each digit by 16 raised to its position (starting at 0 from the right), then add the results:

D× 167 = 13 × 268435456 = 3489660928
E× 166 = 14 × 16777216 = 234881024
A× 165 = 10 × 1048576 = 10485760
D× 164 = 13 × 65536 = 851968
B× 163 = 11 × 4096 = 45056
E× 162 = 14 × 256 = 3584
E× 161 = 14 × 16 = 224
F× 160 = 15 × 1 = 15

Sum: 3735928559

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Want to learn the method behind this tool? Read How to Convert Hexadecimal to Decimal - the full step-by-step guide.