Search a number
-
+
44220211211 = 1127922920201
BaseRepresentation
bin101001001011101110…
…101110000000001011
311020010210010110221102
4221023232232000023
51211030333224321
632151532332015
73123550410401
oct511356560013
9136123113842
1044220211211
111783217a200
1286a131400b
1342294b6867
1421d6c85471
15123c259c0b
hexa4bbae00b

44220211211 has 24 divisors (see below), whose sum is σ = 49438334400. Its totient is φ = 39516048000.

The previous prime is 44220211163. The next prime is 44220211223. The reversal of 44220211211 is 11211202244.

It is a de Polignac number, because none of the positive numbers 2k-44220211211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (44220211261) 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, 2178911 + ... + 2199111.

It is an arithmetic number, because the mean of its divisors is an integer number (2059930600).

Almost surely, 244220211211 is an apocalyptic number.

44220211211 is a deficient number, since it is larger than the sum of its proper divisors (5218123189).

44220211211 is a wasteful number, since it uses less digits than its factorization.

44220211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20531 (or 20520 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 44220211211 its reverse (11211202244), we get a palindrome (55431413455).

The spelling of 44220211211 in words is "forty-four billion, two hundred twenty million, two hundred eleven thousand, two hundred eleven".

Divisors: 1 11 79 121 229 869 2519 9559 18091 20201 27709 199001 222211 1595879 2189011 2444321 4626029 17554669 50886319 193101359 365456291 559749509 4020019201 44220211211