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89358561980 = 2254467928099
BaseRepresentation
bin101001100111000101…
…1110111001010111100
322112122112220021120122
41103032023313022330
52431001242440410
6105014544034112
76312250146602
oct1231613671274
9275575807518
1089358561980
1134995640226
121539a002938
138570c7845c
144479a49872
1524cedc5e55
hex14ce2f72bc

89358561980 has 12 divisors (see below), whose sum is σ = 187652980200. Its totient is φ = 35743424784.

The previous prime is 89358561979. The next prime is 89358561991. The reversal of 89358561980 is 8916585398.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233964030 + ... + 2233964069.

It is an arithmetic number, because the mean of its divisors is an integer number (15637748350).

Almost surely, 289358561980 is an apocalyptic number.

It is an amenable number.

89358561980 is an abundant number, since it is smaller than the sum of its proper divisors (98294418220).

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

89358561980 is a wasteful number, since it uses less digits than its factorization.

89358561980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4467928108 (or 4467928106 counting only the distinct ones).

The product of its (nonzero) digits is 18662400, while the sum is 62.

The spelling of 89358561980 in words is "eighty-nine billion, three hundred fifty-eight million, five hundred sixty-one thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 4467928099 8935856198 17871712396 22339640495 44679280990 89358561980