Search a number
-
+
56546285979040 = 255111321069177839
BaseRepresentation
bin11001101101101101101010…
…10010100000010110100000
321102012202211220010212221121
430312312311102200112200
524402423243202312130
6320133001040502024
714624222452223164
oct1466666522402640
9242182756125847
1056546285979040
1117021166305080
12641307091a914
1325723a437ab00
14dd6bd799aca4
15680d72ed9d7a
hex336db54a05a0

56546285979040 has 288 divisors, whose sum is σ = 157956449414400. Its totient is φ = 18962709442560.

The previous prime is 56546285979037. The next prime is 56546285979083. The reversal of 56546285979040 is 4097958264565.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 317874441 + ... + 318052279.

It is an arithmetic number, because the mean of its divisors is an integer number (548459893800).

Almost surely, 256546285979040 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 56546285979040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78978224707200).

56546285979040 is an abundant number, since it is smaller than the sum of its proper divisors (101410163435360).

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

56546285979040 is a wasteful number, since it uses less digits than its factorization.

56546285979040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178960 (or 178939 counting only the distinct ones).

The product of its (nonzero) digits is 653184000, while the sum is 70.

The spelling of 56546285979040 in words is "fifty-six trillion, five hundred forty-six billion, two hundred eighty-five million, nine hundred seventy-nine thousand, forty".