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2005041122120 = 235109459871817
BaseRepresentation
bin11101001011010101110…
…000111000101101001000
321002200100202121101110202
4131023111300320231020
5230322311011401440
64133034141431332
7264600534223061
oct35132560705510
97080322541422
102005041122120
11703373495513
1228471026b548
131170c7a9047a
146d08a1b7568
1537250858615
hex1d2d5c38b48

2005041122120 has 32 divisors (see below), whose sum is σ = 4552730998200. Its totient is φ = 794658498048.

The previous prime is 2005041122111. The next prime is 2005041122143. The reversal of 2005041122120 is 212211405002.

It can be written as a sum of positive squares in 4 ways, for example, as 1743926254084 + 261114868036 = 1320578^2 + 510994^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 2005041122092 and 2005041122101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 229931549 + ... + 229940268.

Almost surely, 22005041122120 is an apocalyptic number.

2005041122120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2005041122120 is an abundant number, since it is smaller than the sum of its proper divisors (2547689876080).

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

2005041122120 is a wasteful number, since it uses less digits than its factorization.

2005041122120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 459871937 (or 459871933 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 2005041122120 its reverse (212211405002), we get a palindrome (2217252527122).

The spelling of 2005041122120 in words is "two trillion, five billion, forty-one million, one hundred twenty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 109 218 436 545 872 1090 2180 4360 459871817 919743634 1839487268 2299359085 3678974536 4598718170 9197436340 18394872680 50126028053 100252056106 200504112212 250630140265 401008224424 501260280530 1002520561060 2005041122120