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5481007745472 = 2632722713831871
BaseRepresentation
bin100111111000010010110…
…0001010000100111000000
3201101222102212001100022100
41033300211201100213000
51204300100440323342
615353535025510400
71103663324065200
oct117604541204700
921358385040270
105481007745472
111823533a8a036
1274630a4a2400
13309b1a556bbc
1414d3d448a400
1597890ce9e4c
hex4fc258509c0

5481007745472 has 504 divisors, whose sum is σ = 18400427016192. Its totient is φ = 1555318195200.

The previous prime is 5481007745449. The next prime is 5481007745503. The reversal of 5481007745472 is 2745477001845.

5481007745472 is a `hidden beast` number, since 5 + 48 + 10 + 0 + 77 + 454 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (504).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 2929452697 + ... + 2929454567.

Almost surely, 25481007745472 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 5481007745472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9200213508096).

5481007745472 is an abundant number, since it is smaller than the sum of its proper divisors (12919419270720).

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

5481007745472 is a wasteful number, since it uses less digits than its factorization.

5481007745472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2557 (or 2537 counting only the distinct ones).

The product of its (nonzero) digits is 8780800, while the sum is 54.

The spelling of 5481007745472 in words is "five trillion, four hundred eighty-one billion, seven million, seven hundred forty-five thousand, four hundred seventy-two".