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89579520000000 = 2193757
BaseRepresentation
bin10100010111100011011011…
…011110000000000000000000
3102202011201101202210010000000
4110113203123132000000000
543220132324110000000
6514304132520000000
724603623004452052
oct2427433336000000
9382151352703000
1089579520000000
11265a7508785728
12a069140000000
133aca40a702ac4
1418199599ab8d2
15a55280000000
hex5178db780000

89579520000000 has 1280 divisors, whose sum is σ = 335870819856000. Its totient is φ = 23887872000000.

The previous prime is 89579519999999. The next prime is 89579520000011. The reversal of 89579520000000 is 2597598.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a tau number, because it is divible by the number of its divisors (1280).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 17915903999998 + ... + 17915904000002.

Almost surely, 289579520000000 is an apocalyptic number.

89579520000000 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 89579520000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (167935409928000).

89579520000000 is an abundant number, since it is smaller than the sum of its proper divisors (246291299856000).

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

89579520000000 is an frugal number, since it uses more digits than its factorization.

89579520000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94 (or 10 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 45.

Adding to 89579520000000 its reverse (2597598), we get a palindrome (89579522597598).

The spelling of 89579520000000 in words is "eighty-nine trillion, five hundred seventy-nine billion, five hundred twenty million", and thus it is an aban number.