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42044240032 = 254330555407
BaseRepresentation
bin100111001010000010…
…000011000010100000
311000112010122200122021
4213022002003002200
51142101311140112
631152001551224
73015616100164
oct471202030240
9130463580567
1042044240032
1116915971913
128194645514
133c70749352
14206bca0ca4
1511611d7907
hex9ca0830a0

42044240032 has 24 divisors (see below), whose sum is σ = 84699590976. Its totient is φ = 20533232832.

The previous prime is 42044239969. The next prime is 42044240083. The reversal of 42044240032 is 23004244024.

It is a super-2 number, since 2×420442400322 (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42044239979 and 42044240006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15276328 + ... + 15279079.

It is an arithmetic number, because the mean of its divisors is an integer number (3529149624).

Almost surely, 242044240032 is an apocalyptic number.

It is an amenable number.

42044240032 is an abundant number, since it is smaller than the sum of its proper divisors (42655350944).

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

42044240032 is a wasteful number, since it uses less digits than its factorization.

42044240032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30555460 (or 30555452 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 42044240032 its reverse (23004244024), we get a palindrome (65048484056).

The spelling of 42044240032 in words is "forty-two billion, forty-four million, two hundred forty thousand, thirty-two".

Divisors: 1 2 4 8 16 32 43 86 172 344 688 1376 30555407 61110814 122221628 244443256 488886512 977773024 1313882501 2627765002 5255530004 10511060008 21022120016 42044240032