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213224122242 = 232171076512251
BaseRepresentation
bin1100011010010100100…
…1011110011110000010
3202101100221210200212200
43012211021132132002
511443140333402432
6241542004534030
721255615064155
oct3064511363602
9671327720780
10213224122242
1182478504a4a
12353a83b1316
1317150c72991
14a46a50bc9c
15582e3e7a7c
hex31a525e782

213224122242 has 48 divisors (see below), whose sum is σ = 493732897632. Its totient is φ = 66268656000.

The previous prime is 213224122229. The next prime is 213224122247. The reversal of 213224122242 is 242221422312.

213224122242 is a `hidden beast` number, since 2 + 1 + 3 + 2 + 2 + 412 + 2 + 242 = 666.

It is not an unprimeable number, because it can be changed into a prime (213224122247) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3223384 + ... + 3288867.

It is an arithmetic number, because the mean of its divisors is an integer number (10286102034).

Almost surely, 2213224122242 is an apocalyptic number.

213224122242 is an abundant number, since it is smaller than the sum of its proper divisors (280508775390).

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

213224122242 is a wasteful number, since it uses less digits than its factorization.

213224122242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6512383 (or 6512380 counting only the distinct ones).

The product of its digits is 6144, while the sum is 27.

Adding to 213224122242 its reverse (242221422312), we get a palindrome (455445544554).

The spelling of 213224122242 in words is "two hundred thirteen billion, two hundred twenty-four million, one hundred twenty-two thousand, two hundred forty-two".

Divisors: 1 2 3 6 9 17 18 34 51 102 107 153 214 306 321 642 963 1819 1926 3638 5457 10914 16371 32742 6512251 13024502 19536753 39073506 58610259 110708267 117220518 221416534 332124801 664249602 696810857 996374403 1393621714 1992748806 2090432571 4180865142 6271297713 11845784569 12542595426 23691569138 35537353707 71074707414 106612061121 213224122242