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56449291080 = 233571319733727
BaseRepresentation
bin110100100100101000…
…111101001101001000
312101201001022002210110
4310210220331031020
51411102004303310
641533224114320
74035603025440
oct644450751510
9171631262713
1056449291080
1121a38175986
12ab349059a0
135427c478b0
142a37095120
151705b7ad20
hexd24a3d348

56449291080 has 512 divisors, whose sum is σ = 222463180800. Its totient is φ = 11125776384.

The previous prime is 56449291013. The next prime is 56449291097. The reversal of 56449291080 is 8019294465.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 15144177 + ... + 15147903.

It is an arithmetic number, because the mean of its divisors is an integer number (434498400).

Almost surely, 256449291080 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 56449291080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111231590400).

56449291080 is an abundant number, since it is smaller than the sum of its proper divisors (166013889720).

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

56449291080 is a wasteful number, since it uses less digits than its factorization.

56449291080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3853 (or 3849 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 48.

The spelling of 56449291080 in words is "fifty-six billion, four hundred forty-nine million, two hundred ninety-one thousand, eighty".