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242799288480 = 25345721920123
BaseRepresentation
bin1110001000011111110…
…1110010000010100000
3212012201002200210220000
43202013331302002200
512434223104212410
6303312423220000
723353535620500
oct3420775620240
9765632623800
10242799288480
1193a749610a1
123b080ba7600
1319b8530cb48
14ba74369a00
1564b0aa4dc0
hex3887f720a0

242799288480 has 720 divisors, whose sum is σ = 1049291923680. Its totient is φ = 52573473792.

The previous prime is 242799288449. The next prime is 242799288527. The reversal of 242799288480 is 84882997242.

242799288480 is a `hidden beast` number, since 2 + 4 + 2 + 79 + 9 + 2 + 88 + 480 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (63).

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 119 ways as a sum of consecutive naturals, for example, 12055699 + ... + 12075821.

It is an arithmetic number, because the mean of its divisors is an integer number (1457349894).

Almost surely, 2242799288480 is an apocalyptic number.

242799288480 is a gapful number since it is divisible by the number (20) 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 242799288480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (524645961840).

242799288480 is an abundant number, since it is smaller than the sum of its proper divisors (806492635200).

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

242799288480 is a wasteful number, since it uses less digits than its factorization.

242799288480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20183 (or 20159 counting only the distinct ones).

The product of its (nonzero) digits is 37158912, while the sum is 63.

The spelling of 242799288480 in words is "two hundred forty-two billion, seven hundred ninety-nine million, two hundred eighty-eight thousand, four hundred eighty".