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2243124045 = 325291718869
BaseRepresentation
bin1000010110110011…
…0101101101001101
312210022211111201100
42011230311231031
514043214432140
61010325533313
7106405145151
oct20554655515
95708744640
102243124045
11a51204328
12527274239
13299950146
14173ca5061
15d1dd9530
hex85b35b4d

2243124045 has 24 divisors (see below), whose sum is σ = 4022155800. Its totient is φ = 1155079296.

The previous prime is 2243124031. The next prime is 2243124047. The reversal of 2243124045 is 5404213422.

2243124045 is a `hidden beast` number, since 2 + 243 + 12 + 404 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 582643044 + 1660481001 = 24138^2 + 40749^2 .

It is not a de Polignac number, because 2243124045 - 211 = 2243121997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2243124047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 858130 + ... + 860739.

It is an arithmetic number, because the mean of its divisors is an integer number (167589825).

Almost surely, 22243124045 is an apocalyptic number.

It is an amenable number.

2243124045 is a deficient number, since it is larger than the sum of its proper divisors (1779031755).

2243124045 is a wasteful number, since it uses less digits than its factorization.

2243124045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1718909 (or 1718906 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2243124045 is about 47361.6305145843. The cubic root of 2243124045 is about 1309.0345128469.

Adding to 2243124045 its reverse (5404213422), we get a palindrome (7647337467).

The spelling of 2243124045 in words is "two billion, two hundred forty-three million, one hundred twenty-four thousand, forty-five".

Divisors: 1 3 5 9 15 29 45 87 145 261 435 1305 1718869 5156607 8594345 15469821 25783035 49847201 77349105 149541603 249236005 448624809 747708015 2243124045