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442442444401 = 1974395115947
BaseRepresentation
bin1100111000000111001…
…11111110111001110001
31120022000120111221100001
412130003213332321301
524222110231210101
6535131045030001
743652064503656
oct6340347767161
91508016457301
10442442444401
11160703253031
12718b90b5301
133295071a879
14175b2cbbc2d
15b797a3c901
hex67039fee71

442442444401 has 8 divisors (see below), whose sum is σ = 445701389760. Its totient is φ = 439193732208.

The previous prime is 442442444399. The next prime is 442442444407. The reversal of 442442444401 is 104444244244.

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 442442444401 - 21 = 442442444399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442442444407) 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, 2471491 + ... + 2644456.

It is an arithmetic number, because the mean of its divisors is an integer number (55712673720).

Almost surely, 2442442444401 is an apocalyptic number.

It is an amenable number.

442442444401 is a deficient number, since it is larger than the sum of its proper divisors (3258945359).

442442444401 is a wasteful number, since it uses less digits than its factorization.

442442444401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5116583.

The product of its (nonzero) digits is 262144, while the sum is 37.

Adding to 442442444401 its reverse (104444244244), we get a palindrome (546886688645).

The spelling of 442442444401 in words is "four hundred forty-two billion, four hundred forty-two million, four hundred forty-four thousand, four hundred one".

Divisors: 1 197 439 86483 5115947 1007841559 2245900733 442442444401