Search a number
-
+
89119180800 = 2113552131929
BaseRepresentation
bin101001011111111101…
…0101100100000000000
322112000212110110100000
41102333322230200000
52430004002241200
6104535113200000
76303312352356
oct1227772544000
9275025413300
1089119180800
11348824aa641
1215331a00000
1385334b31a0
144455d357d6
1524b8d8d300
hex14bfeac800

89119180800 has 1728 divisors, whose sum is σ = 388147032000. Its totient is φ = 20065812480.

The previous prime is 89119180783. The next prime is 89119180807. The reversal of 89119180800 is 808191198.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (89119180807) 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 143 ways as a sum of consecutive naturals, for example, 3073075186 + ... + 3073075214.

It is an arithmetic number, because the mean of its divisors is an integer number (224622125).

Almost surely, 289119180800 is an apocalyptic number.

89119180800 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 89119180800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194073516000).

89119180800 is an abundant number, since it is smaller than the sum of its proper divisors (299027851200).

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

89119180800 is a wasteful number, since it uses less digits than its factorization.

89119180800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 71 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 45.

It can be divided in two parts, 89 and 119180800, that added together give a square (119180889 = 109172).

The spelling of 89119180800 in words is "eighty-nine billion, one hundred nineteen million, one hundred eighty thousand, eight hundred".