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42049317600 = 25325223318191
BaseRepresentation
bin100111001010010101…
…011010101011100000
311000112111012122202100
4213022111122223200
51142104111130400
631152302450400
73016010205453
oct471225325340
9130474178670
1042049317600
111691881a754
128196293a00
133c71806524
14206c82349a
15116188c100
hex9ca55aae0

42049317600 has 432 divisors, whose sum is σ = 159733776384. Its totient is φ = 10378368000.

The previous prime is 42049317589. The next prime is 42049317649. The reversal of 42049317600 is 671394024.

42049317600 is a `hidden beast` number, since 4 + 2 + 0 + 49 + 3 + 1 + 7 + 600 = 666.

It is a super-2 number, since 2×420493176002 (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 71 ways as a sum of consecutive naturals, for example, 5129505 + ... + 5137695.

It is an arithmetic number, because the mean of its divisors is an integer number (369754112).

Almost surely, 242049317600 is an apocalyptic number.

42049317600 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 42049317600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79866888192).

42049317600 is an abundant number, since it is smaller than the sum of its proper divisors (117684458784).

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

42049317600 is a wasteful number, since it uses less digits than its factorization.

42049317600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8271 (or 8255 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The spelling of 42049317600 in words is "forty-two billion, forty-nine million, three hundred seventeen thousand, six hundred".