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42311083612 = 227388732
BaseRepresentation
bin100111011001111011…
…111110011001011100
311001012201202202012211
4213121323332121130
51143123114133422
631234253210204
73025336163620
oct473173763134
9131181682184
1042311083612
1116a4255a3a6
128249a90964
133cb3b08565
1420954c3180
151179847577
hex9d9efe65c

42311083612 has 18 divisors (see below), whose sum is σ = 84624344168. Its totient is φ = 18132855072.

The previous prime is 42311083589. The next prime is 42311083621. The reversal of 42311083612 is 21638011324.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 1069008 + ... + 1107880.

Almost surely, 242311083612 is an apocalyptic number.

It is an amenable number.

42311083612 is an abundant number, since it is smaller than the sum of its proper divisors (42313260556).

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

42311083612 is an frugal number, since it uses more digits than its factorization.

42311083612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77757 (or 38882 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

Adding to 42311083612 its reverse (21638011324), we get a palindrome (63949094936).

The spelling of 42311083612 in words is "forty-two billion, three hundred eleven million, eighty-three thousand, six hundred twelve".

Divisors: 1 2 4 7 14 28 38873 77746 155492 272111 544222 1088444 1511110129 3022220258 6044440516 10577770903 21155541806 42311083612