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42442130238 = 2322393159307
BaseRepresentation
bin100111100001101111…
…111000001100111110
311001112212100121101120
4213201233320030332
51143410141131423
631255254051410
73031520104014
oct474157701476
9131485317346
1042442130238
1116aaa5266a2
128285949b66
134004ccc541
1420a8a768b4
1511860d0ee3
hex9e1bf833e

42442130238 has 16 divisors (see below), whose sum is σ = 84922199040. Its totient is φ = 14141053656.

The previous prime is 42442130231. The next prime is 42442130239. The reversal of 42442130238 is 83203124424.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42442130199 and 42442130208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42442130231) 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, 1566220 + ... + 1593087.

It is an arithmetic number, because the mean of its divisors is an integer number (5307637440).

Almost surely, 242442130238 is an apocalyptic number.

42442130238 is an abundant number, since it is smaller than the sum of its proper divisors (42480068802).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42442130238 is a wasteful number, since it uses less digits than its factorization.

42442130238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3161551.

The product of its (nonzero) digits is 36864, while the sum is 33.

The spelling of 42442130238 in words is "forty-two billion, four hundred forty-two million, one hundred thirty thousand, two hundred thirty-eight".

Divisors: 1 2 3 6 2239 4478 6717 13434 3159307 6318614 9477921 18955842 7073688373 14147376746 21221065119 42442130238