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213424222044 = 22311311512111637
BaseRepresentation
bin1100011011000100010…
…0110010111101011100
3202101212220022211012110
43012301010302331130
511444043100101134
6242013513434020
721263564645415
oct3066104627534
9671786284173
10213424222044
1182570455990
123544340b910
1317183563527
14a488d1880c
155841c717e9
hex31b1132f5c

213424222044 has 192 divisors, whose sum is σ = 567521869824. Its totient is φ = 61840800000.

The previous prime is 213424221973. The next prime is 213424222061. The reversal of 213424222044 is 440222424312.

It is a happy number.

213424222044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 130374394 + ... + 130376030.

It is an arithmetic number, because the mean of its divisors is an integer number (2955843072).

Almost surely, 2213424222044 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 213424222044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (283760934912).

213424222044 is an abundant number, since it is smaller than the sum of its proper divisors (354097647780).

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

213424222044 is a wasteful number, since it uses less digits than its factorization.

213424222044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2048 (or 2046 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 213424222044 its reverse (440222424312), we get a palindrome (653646646356).

The spelling of 213424222044 in words is "two hundred thirteen billion, four hundred twenty-four million, two hundred twenty-two thousand, forty-four".