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42585484500 = 223253131742821
BaseRepresentation
bin100111101010010010…
…101110110011010100
311001220212002202110200
4213222102232303110
51144203341001000
631321414420500
73035210434326
oct475222566324
9131825082420
1042585484500
1117073439899
128305961730
134028912550
1420bdb11616
15119399b500
hex9ea4aecd4

42585484500 has 288 divisors, whose sum is σ = 153191080224. Its totient is φ = 9865728000.

The previous prime is 42585484499. The next prime is 42585484519. The reversal of 42585484500 is 548458524.

42585484500 is a `hidden beast` number, since 4 + 2 + 58 + 548 + 4 + 50 + 0 = 666.

It can be written as a sum of positive squares in 16 ways, for example, as 40210676676 + 2374807824 = 200526^2 + 48732^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 973090 + ... + 1015910.

It is an arithmetic number, because the mean of its divisors is an integer number (531913473).

Almost surely, 242585484500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42585484500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76595540112).

42585484500 is an abundant number, since it is smaller than the sum of its proper divisors (110605595724).

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

42585484500 is a wasteful number, since it uses less digits than its factorization.

42585484500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42876 (or 42861 counting only the distinct ones).

The product of its (nonzero) digits is 1024000, while the sum is 45.

The spelling of 42585484500 in words is "forty-two billion, five hundred eighty-five million, four hundred eighty-four thousand, five hundred".