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89407026144 = 253217374710501
BaseRepresentation
bin101001101000100010…
…0101111001111100000
322112202221002111220200
41103101010233033200
52431101144314034
6105023434505200
76313406116542
oct1232104571740
9275687074820
1089407026144
1134a0aa32057
12153b2295200
13857b016787
144482263692
1524d429aa99
hex14d112f3e0

89407026144 has 288 divisors, whose sum is σ = 282392562816. Its totient is φ = 26707968000.

The previous prime is 89407026139. The next prime is 89407026157. The reversal of 89407026144 is 44162070498.

89407026144 is a `hidden beast` number, since 89 + 407 + 0 + 26 + 144 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a self number, because there is not a number n which added to its sum of digits gives 89407026144.

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 47 ways as a sum of consecutive naturals, for example, 8508894 + ... + 8519394.

It is an arithmetic number, because the mean of its divisors is an integer number (980529732).

Almost surely, 289407026144 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 89407026144, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141196281408).

89407026144 is an abundant number, since it is smaller than the sum of its proper divisors (192985536672).

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

89407026144 is a wasteful number, since it uses less digits than its factorization.

89407026144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10618 (or 10607 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 89407026144 in words is "eighty-nine billion, four hundred seven million, twenty-six thousand, one hundred forty-four".