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89432311320 = 233251181127847
BaseRepresentation
bin101001101001010010…
…1001100011000011000
322112211200200010122200
41103102211030120120
52431124132430240
6105030140450200
76314134050342
oct1232245143030
9275750603580
1089432311320
1134a232321a0
12153ba849960
13858332a711
144485766292
1524d65e2930
hex14d294c618

89432311320 has 192 divisors, whose sum is σ = 317480567040. Its totient is φ = 21653049600.

The previous prime is 89432311291. The next prime is 89432311361. The reversal of 89432311320 is 2311323498.

89432311320 is a `hidden beast` number, since 8 + 9 + 4 + 323 + 1 + 1 + 320 = 666.

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 polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3197637 + ... + 3225483.

It is an arithmetic number, because the mean of its divisors is an integer number (1653544620).

Almost surely, 289432311320 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 89432311320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158740283520).

89432311320 is an abundant number, since it is smaller than the sum of its proper divisors (228048255720).

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

89432311320 is a wasteful number, since it uses less digits than its factorization.

89432311320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28686 (or 28679 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 89432311320 in words is "eighty-nine billion, four hundred thirty-two million, three hundred eleven thousand, three hundred twenty".