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42112332240 = 243511711991129
BaseRepresentation
bin100111001110000101…
…110011000111010000
311000200212210010120220
4213032011303013100
51142221224112430
631202433233040
73020403626556
oct471605630720
9130625703526
1042112332240
111695034a570
1281b3402780
133c8189a6b4
142076d47bd6
151167188110
hex9ce1731d0

42112332240 has 320 divisors, whose sum is σ = 145276416000. Its totient is φ = 10005811200.

The previous prime is 42112332233. The next prime is 42112332247. The reversal of 42112332240 is 4223321124.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (42112332233) and next prime (42112332247).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 42112332240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42112332247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 37299996 + ... + 37301124.

It is an arithmetic number, because the mean of its divisors is an integer number (453988800).

Almost surely, 242112332240 is an apocalyptic number.

42112332240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42112332240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72638208000).

42112332240 is an abundant number, since it is smaller than the sum of its proper divisors (103164083760).

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

42112332240 is a wasteful number, since it uses less digits than its factorization.

42112332240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426 (or 1420 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 42112332240 its reverse (4223321124), we get a palindrome (46335653364).

The spelling of 42112332240 in words is "forty-two billion, one hundred twelve million, three hundred thirty-two thousand, two hundred forty".