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442052444131 = 10091801243259
BaseRepresentation
bin1100110111011000110…
…00001111111111100011
31120021000101122212112121
412123230120033333203
524220310411203011
6535024234005111
743636320530644
oct6335430177743
91507011585477
10442052444131
11160523098061
127180a576797
13328ba99a98c
141757719b6cb
15b7736a1e71
hex66ec60ffe3

442052444131 has 8 divisors (see below), whose sum is σ = 442738065200. Its totient is φ = 441367315200.

The previous prime is 442052444117. The next prime is 442052444137. The reversal of 442052444131 is 131444250244.

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 442052444131 - 225 = 442018889699 is a prime.

It is a super-2 number, since 2×4420524441312 (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (442052444137) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1695580 + ... + 1938838.

It is an arithmetic number, because the mean of its divisors is an integer number (55342258150).

Almost surely, 2442052444131 is an apocalyptic number.

442052444131 is a deficient number, since it is larger than the sum of its proper divisors (685621069).

442052444131 is a wasteful number, since it uses less digits than its factorization.

442052444131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246069.

The product of its (nonzero) digits is 61440, while the sum is 34.

Adding to 442052444131 its reverse (131444250244), we get a palindrome (573496694375).

The spelling of 442052444131 in words is "four hundred forty-two billion, fifty-two million, four hundred forty-four thousand, one hundred thirty-one".

Divisors: 1 1009 1801 243259 1817209 245448331 438109459 442052444131