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89193340800 = 27325211327407
BaseRepresentation
bin101001100010001010…
…1100101111110000000
322112020001000011201200
41103010111211332000
52430131443401200
6104550322501200
76305202613314
oct1230425457600
9275201004650
1089193340800
11349103520a3
1215352804800
13854597a345
144461b1bb44
1524c063b800
hex14c4565f80

89193340800 has 288 divisors, whose sum is σ = 321090475680. Its totient is φ = 23573544960.

The previous prime is 89193340799. The next prime is 89193340837. The reversal of 89193340800 is 804339198.

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

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 polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3240697 + ... + 3268103.

It is an arithmetic number, because the mean of its divisors is an integer number (1114897485).

Almost surely, 289193340800 is an apocalyptic number.

89193340800 is a gapful number since it is divisible by the number (80) 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 89193340800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160545237840).

89193340800 is an abundant number, since it is smaller than the sum of its proper divisors (231897134880).

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

89193340800 is a wasteful number, since it uses less digits than its factorization.

89193340800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27550 (or 27530 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

Adding to 89193340800 its reverse (804339198), we get a palindrome (89997679998).

The spelling of 89193340800 in words is "eighty-nine billion, one hundred ninety-three million, three hundred forty thousand, eight hundred".