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2213322012 = 2232115589197
BaseRepresentation
bin1000001111101100…
…1001110100011100
312201020202102000100
42003323021310130
514013102301022
61003343101100
7105563632566
oct20373116434
95636672010
102213322012
11a363a9650
125192a1790
132937172c5
1416dd48336
15ce49e1ac
hex83ec9d1c

2213322012 has 36 divisors (see below), whose sum is σ = 6103404216. Its totient is φ = 670703520.

The previous prime is 2213322011. The next prime is 2213322017. The reversal of 2213322012 is 2102233122.

2213322012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213322011) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2794203 + ... + 2794994.

It is an arithmetic number, because the mean of its divisors is an integer number (169539006).

Almost surely, 22213322012 is an apocalyptic number.

2213322012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2213322012 is an abundant number, since it is smaller than the sum of its proper divisors (3890082204).

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

2213322012 is a wasteful number, since it uses less digits than its factorization.

2213322012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5589218 (or 5589213 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 2213322012 is about 47045.9563830942. The cubic root of 2213322012 is about 1303.2113921159.

Adding to 2213322012 its reverse (2102233122), we get a palindrome (4315555134).

It can be divided in two parts, 221 and 3322012, that added together give a palindrome (3322233).

The spelling of 2213322012 in words is "two billion, two hundred thirteen million, three hundred twenty-two thousand, twelve".

Divisors: 1 2 3 4 6 9 11 12 18 22 33 36 44 66 99 132 198 396 5589197 11178394 16767591 22356788 33535182 50302773 61481167 67070364 100605546 122962334 184443501 201211092 245924668 368887002 553330503 737774004 1106661006 2213322012