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54216755340 = 22351182146599
BaseRepresentation
bin110010011111100100…
…100000100010001100
312011221110101112111120
4302133210200202030
51342013442132330
640523513120540
73626353550046
oct623744404214
9164843345446
1054216755340
1120aa1a43820
12a6110b9150
135160564027
1428a4788a96
151624b83c10
hexc9f92088c

54216755340 has 48 divisors (see below), whose sum is σ = 165607545600. Its totient is φ = 13143455680.

The previous prime is 54216755339. The next prime is 54216755401. The reversal of 54216755340 is 4355761245.

It is a junction number, because it is equal to n+sod(n) for n = 54216755292 and 54216755301.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41072640 + ... + 41073959.

It is an arithmetic number, because the mean of its divisors is an integer number (3450157200).

Almost surely, 254216755340 is an apocalyptic number.

It is an amenable number.

54216755340 is an abundant number, since it is smaller than the sum of its proper divisors (111390790260).

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

54216755340 is a wasteful number, since it uses less digits than its factorization.

54216755340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82146622 (or 82146620 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 42.

The spelling of 54216755340 in words is "fifty-four billion, two hundred sixteen million, seven hundred fifty-five thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 11 12 15 20 22 30 33 44 55 60 66 110 132 165 220 330 660 82146599 164293198 246439797 328586396 410732995 492879594 821465990 903612589 985759188 1232198985 1642931980 1807225178 2464397970 2710837767 3614450356 4518062945 4928795940 5421675534 9036125890 10843351068 13554188835 18072251780 27108377670 54216755340