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442221102210 = 23522366101809
BaseRepresentation
bin1100110111101100110…
…11101000010010000010
31120021110011000120221010
412123312123220102002
524221132100232320
6535053100541350
743643436230316
oct6336633502202
91507404016833
10442221102210
111605aa3133a8
1271856b51856
1332916900264
1417591741b46
15b7833b9ae0
hex66f66e8482

442221102210 has 32 divisors (see below), whose sum is σ = 1066089991680. Its totient is φ = 117396811008.

The previous prime is 442221102203. The next prime is 442221102227. The reversal of 442221102210 is 12201122244.

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 15 ways as a sum of consecutive naturals, for example, 33044215 + ... + 33057594.

It is an arithmetic number, because the mean of its divisors is an integer number (33315312240).

Almost surely, 2442221102210 is an apocalyptic number.

442221102210 is an abundant number, since it is smaller than the sum of its proper divisors (623868889470).

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

442221102210 is a wasteful number, since it uses less digits than its factorization.

442221102210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66102042.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 442221102210 its reverse (12201122244), we get a palindrome (454422224454).

The spelling of 442221102210 in words is "four hundred forty-two billion, two hundred twenty-one million, one hundred two thousand, two hundred ten".

Divisors: 1 2 3 5 6 10 15 30 223 446 669 1115 1338 2230 3345 6690 66101809 132203618 198305427 330509045 396610854 661018090 991527135 1983054270 14740703407 29481406814 44222110221 73703517035 88444220442 147407034070 221110551105 442221102210