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444320344223 = 7243443476023
BaseRepresentation
bin1100111011100111000…
…11100110100010011111
31120110212110010010121022
412131303203212202133
524234432002003343
6540041250554355
744046446416400
oct6356343464237
91513773103538
10444320344223
11161487283a58
1272141b989bb
1332b8c7b40b2
14177104719a7
15b857832568
hex67738e689f

444320344223 has 24 divisors (see below), whose sum is σ = 530077477248. Its totient is φ = 371148641136.

The previous prime is 444320344183. The next prime is 444320344277. The reversal of 444320344223 is 322443023444.

It is not a de Polignac number, because 444320344223 - 224 = 444303567007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444320344123) 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 23 ways as a sum of consecutive naturals, for example, 695390 + ... + 1171412.

It is an arithmetic number, because the mean of its divisors is an integer number (22086561552).

Almost surely, 2444320344223 is an apocalyptic number.

444320344223 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

444320344223 is a deficient number, since it is larger than the sum of its proper divisors (85757133025).

444320344223 is a wasteful number, since it uses less digits than its factorization.

444320344223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476523 (or 476516 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 35.

Adding to 444320344223 its reverse (322443023444), we get a palindrome (766763367667).

The spelling of 444320344223 in words is "four hundred forty-four billion, three hundred twenty million, three hundred forty-four thousand, two hundred twenty-three".

Divisors: 1 7 43 49 301 443 2107 3101 19049 21707 133343 476023 933401 3332161 20468989 23325127 143282923 210878189 1002980461 1476147323 9067762127 10333031261 63474334889 444320344223