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89988532032 = 2637192312193
BaseRepresentation
bin101001111001110111…
…1000000011101000000
322121021110022002000210
41103303233000131000
52433244031011112
6105201250314120
76333666621150
oct1236357003500
9277243262023
1089988532032
11351891a9033
1215534b88940
1386416384b9
1444d9594760
15251a363b3c
hex14f3bc0740

89988532032 has 504 divisors, whose sum is σ = 298283790528. Its totient is φ = 23449927680.

The previous prime is 89988532031. The next prime is 89988532103. The reversal of 89988532032 is 23023588998.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89988532031) 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 71 ways as a sum of consecutive naturals, for example, 466261728 + ... + 466261920.

Almost surely, 289988532032 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 89988532032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149141895264).

89988532032 is an abundant number, since it is smaller than the sum of its proper divisors (208295258496).

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

89988532032 is a wasteful number, since it uses less digits than its factorization.

89988532032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 57.

The spelling of 89988532032 in words is "eighty-nine billion, nine hundred eighty-eight million, five hundred thirty-two thousand, thirty-two".