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54247090518208 = 267121087255621
BaseRepresentation
bin11000101010110011000101…
…00011110111100011000000
321010001222020000020211111101
430111121202203313203000
524102241020133040313
6311212434102424144
714266136321242630
oct1425314243674300
9233058200224441
1054247090518208
11163150754191a5
126101548a32054
13243662b899b23
14d57804b966c0
156411582c05dd
hex3156628f78c0

54247090518208 has 28 divisors (see below), whose sum is σ = 123024651711952. Its totient is φ = 23248753079040.

The previous prime is 54247090518197. The next prime is 54247090518209. The reversal of 54247090518208 is 80281509074245.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (54247090518209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60543627363 + ... + 60543628258.

Almost surely, 254247090518208 is an apocalyptic number.

It is an amenable number.

54247090518208 is an abundant number, since it is smaller than the sum of its proper divisors (68777561193744).

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

54247090518208 is a wasteful number, since it uses less digits than its factorization.

54247090518208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121087255640 (or 121087255630 counting only the distinct ones).

The product of its (nonzero) digits is 6451200, while the sum is 55.

The spelling of 54247090518208 in words is "fifty-four trillion, two hundred forty-seven billion, ninety million, five hundred eighteen thousand, two hundred eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 224 448 121087255621 242174511242 484349022484 847610789347 968698044968 1695221578694 1937396089936 3390443157388 3874792179872 6780886314776 7749584359744 13561772629552 27123545259104 54247090518208