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442523004145 = 5235815166173
BaseRepresentation
bin1100111000010000110…
…11010010110011110001
31120022020012002210112021
412130020123102303301
524222241342113040
6535143043431441
743654063321015
oct6341033226361
91508205083467
10442523004145
11160744776832
1271920085581
1332964315961
14175bd88c545
15b79eb5224a
hex67086d2cf1

442523004145 has 16 divisors (see below), whose sum is σ = 554133664512. Its totient is φ = 338615358400.

The previous prime is 442523004137. The next prime is 442523004163. The reversal of 442523004145 is 541400325244.

It is not a de Polignac number, because 442523004145 - 23 = 442523004137 is a prime.

It is a super-3 number, since 3×4425230041453 (a number of 36 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 442523004145.

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, 6654279 + ... + 6720451.

It is an arithmetic number, because the mean of its divisors is an integer number (34633354032).

Almost surely, 2442523004145 is an apocalyptic number.

It is an amenable number.

442523004145 is a deficient number, since it is larger than the sum of its proper divisors (111610660367).

442523004145 is a wasteful number, since it uses less digits than its factorization.

442523004145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124352.

The product of its (nonzero) digits is 76800, while the sum is 34.

Adding to 442523004145 its reverse (541400325244), we get a palindrome (983923329389).

The spelling of 442523004145 in words is "four hundred forty-two billion, five hundred twenty-three million, four thousand, one hundred forty-five".

Divisors: 1 5 23 115 58151 66173 290755 330865 1337473 1521979 6687365 7609895 3848026123 19240130615 88504600829 442523004145