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2213243443 = 19541215317
BaseRepresentation
bin1000001111101011…
…0110101000110011
312201020121102020101
42003322312220303
514013042242233
61003341253231
7105563154535
oct20372665063
95636542211
102213243443
11a36355614
12519264217
132936ba608
1416dd27855
15ce485c7d
hex83eb6a33

2213243443 has 8 divisors (see below), whose sum is σ = 2334047120. Its totient is φ = 2092871520.

The previous prime is 2213243441. The next prime is 2213243449. The reversal of 2213243443 is 3443423122.

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

It is a cyclic number.

It is not a de Polignac number, because 2213243443 - 21 = 2213243441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2213243441) 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 7 ways as a sum of consecutive naturals, for example, 97380 + ... + 117937.

It is an arithmetic number, because the mean of its divisors is an integer number (291755890).

Almost surely, 22213243443 is an apocalyptic number.

2213243443 is a deficient number, since it is larger than the sum of its proper divisors (120803677).

2213243443 is a wasteful number, since it uses less digits than its factorization.

2213243443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215877.

The product of its digits is 13824, while the sum is 28.

The square root of 2213243443 is about 47045.1213517406. The cubic root of 2213243443 is about 1303.1959713702.

Adding to 2213243443 its reverse (3443423122), we get a palindrome (5656666565).

The spelling of 2213243443 in words is "two billion, two hundred thirteen million, two hundred forty-three thousand, four hundred forty-three".

Divisors: 1 19 541 10279 215317 4091023 116486497 2213243443