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5491518996480 = 2173511318191
BaseRepresentation
bin100111111101001100000…
…0010100000000000000000
3201102222120101211012222020
41033322120002200000000
51204433112330341410
615402434034241440
71104514650203646
oct117723002400000
921388511735866
105491518996480
111827a38345540
12748362726280
1330ab0413855a
1414db10493196
1597ca89e4a70
hex4fe980a0000

5491518996480 has 576 divisors, whose sum is σ = 19791133802496. Its totient is φ = 1288175616000.

The previous prime is 5491518996443. The next prime is 5491518996487. The reversal of 5491518996480 is 846998151945.

It is not an unprimeable number, because it can be changed into a prime (5491518996487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 670429185 + ... + 670437375.

It is an arithmetic number, because the mean of its divisors is an integer number (34359607296).

Almost surely, 25491518996480 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 5491518996480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9895566901248).

5491518996480 is an abundant number, since it is smaller than the sum of its proper divisors (14299614806016).

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

5491518996480 is an equidigital number, since it uses as much as digits as its factorization.

5491518996480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275 (or 8243 counting only the distinct ones).

The product of its (nonzero) digits is 111974400, while the sum is 69.

The spelling of 5491518996480 in words is "five trillion, four hundred ninety-one billion, five hundred eighteen million, nine hundred ninety-six thousand, four hundred eighty".