Search a number
-
+
2240121443 = 72911035081
BaseRepresentation
bin1000010110000101…
…1000101001100011
312210010011221220212
42011201120221203
514041432341233
61010141324335
7106340501210
oct20541305143
95703157825
102240121443
11a4a54343a
125262666ab
1329913b561
14173722b07
15d19e4a48
hex85858a63

2240121443 has 8 divisors (see below), whose sum is σ = 2648419680. Its totient is φ = 1853893440.

The previous prime is 2240121439. The next prime is 2240121503. The reversal of 2240121443 is 3441210422.

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

It is not a de Polignac number, because 2240121443 - 22 = 2240121439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240121743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5517338 + ... + 5517743.

It is an arithmetic number, because the mean of its divisors is an integer number (331052460).

Almost surely, 22240121443 is an apocalyptic number.

2240121443 is a deficient number, since it is larger than the sum of its proper divisors (408298237).

2240121443 is a wasteful number, since it uses less digits than its factorization.

2240121443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11035117.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2240121443 is about 47329.9212232600. The cubic root of 2240121443 is about 1308.4501693687.

Adding to 2240121443 its reverse (3441210422), we get a palindrome (5681331865).

The spelling of 2240121443 in words is "two billion, two hundred forty million, one hundred twenty-one thousand, four hundred forty-three".

Divisors: 1 7 29 203 11035081 77245567 320017349 2240121443