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54108705720 = 233531103283499
BaseRepresentation
bin110010011001001000…
…010101001110111000
312011122221002001021210
4302121020111032320
51341303312040340
640505053203120
73623602260426
oct623110251670
9164587061253
1054108705720
1120a46a54513
12a5a0a904a0
135144062644
1428942a0116
15161a43e180
hexc992153b8

54108705720 has 256 divisors, whose sum is σ = 170127360000. Its totient is φ = 13751493120.

The previous prime is 54108705719. The next prime is 54108705787. The reversal of 54108705720 is 2750780145.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 108434031 + ... + 108434529.

It is an arithmetic number, because the mean of its divisors is an integer number (664560000).

Almost surely, 254108705720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54108705720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85063680000).

54108705720 is an abundant number, since it is smaller than the sum of its proper divisors (116018654280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54108705720 is a wasteful number, since it uses less digits than its factorization.

54108705720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 930 (or 926 counting only the distinct ones).

The product of its (nonzero) digits is 78400, while the sum is 39.

The spelling of 54108705720 in words is "fifty-four billion, one hundred eight million, seven hundred five thousand, seven hundred twenty".