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204440222443 = 7919871302391
BaseRepresentation
bin1011111001100110010…
…1100011101011101011
3201112200210100100121111
42332121211203223223
511322143144104233
6233530223251151
720525135134642
oct2763145435353
9645623310544
10204440222443
11797801a3026
1233756749ab7
13163811c6032
149c75aaa359
1554b81a5acd
hex2f99963aeb

204440222443 has 8 divisors (see below), whose sum is σ = 207132423680. Its totient is φ = 201750630120.

The previous prime is 204440222431. The next prime is 204440222453. The reversal of 204440222443 is 344222044402.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-204440222443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (204440222453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494223 + ... + 808168.

It is an arithmetic number, because the mean of its divisors is an integer number (25891552960).

Almost surely, 2204440222443 is an apocalyptic number.

204440222443 is a deficient number, since it is larger than the sum of its proper divisors (2692201237).

204440222443 is a wasteful number, since it uses less digits than its factorization.

204440222443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1304457.

The product of its (nonzero) digits is 49152, while the sum is 31.

Adding to 204440222443 its reverse (344222044402), we get a palindrome (548662266845).

The spelling of 204440222443 in words is "two hundred four billion, four hundred forty million, two hundred twenty-two thousand, four hundred forty-three".

Divisors: 1 79 1987 156973 1302391 102888889 2587850917 204440222443