Search a number
-
+
55561574142733 = 178712893751141
BaseRepresentation
bin11001010001000011011111…
…11000111101001100001101
321021201122010122002122102111
430220201233320331030031
524240310100440031413
6314100345040424021
714463122413555021
oct1450415770751415
9237648118078374
1055561574142733
111678159313090a
126294256918011
132500584543799
14da12a1b4a381
1566543da09d3d
hex32886fe3d30d

55561574142733 has 8 divisors (see below), whose sum is σ = 58829985237240. Its totient is φ = 52293172293120.

The previous prime is 55561574142647. The next prime is 55561574142751. The reversal of 55561574142733 is 33724147516555.

It can be written as a sum of positive squares in 4 ways, for example, as 31924737439204 + 23636836703529 = 5650198^2 + 4861773^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55561574142733 - 213 = 55561574134541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55561574142433) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12936343 + ... + 16687483.

It is an arithmetic number, because the mean of its divisors is an integer number (7353748154655).

Almost surely, 255561574142733 is an apocalyptic number.

It is an amenable number.

55561574142733 is a deficient number, since it is larger than the sum of its proper divisors (3268411094507).

55561574142733 is a wasteful number, since it uses less digits than its factorization.

55561574142733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622447.

The product of its digits is 52920000, while the sum is 58.

The spelling of 55561574142733 in words is "fifty-five trillion, five hundred sixty-one billion, five hundred seventy-four million, one hundred forty-two thousand, seven hundred thirty-three".

Divisors: 1 17 871289 3751141 14811913 63769397 3268327890749 55561574142733