29,912,035,725

Number
$29 \, 912 \, 035 \, 725$ is:


 * $3^3 \times 5^2 \times 11 \times 13 \times 431 \times 719$


 * The smaller of the $1$st of a set of $3$ amicable pairs whose sum is $64 \, 795 \, 852 \, 800$:
 * $\sigma \left({29 \, 912 \, 035 \, 725}\right) = \sigma \left({34 \, 883 \, 817 \, 075}\right) = 64 \, 795 \, 852 \, 800 = 29 \, 912 \, 035 \, 725 + 34 \, 883 \, 817 \, 075$