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89487402342 = 23138313822583
BaseRepresentation
bin101001101010111011…
…1010110010101100110
322112222112100001022220
41103111313112111212
52431232233333332
6105035425333210
76315403240512
oct1232567262546
9275875301286
1089487402342
1134a5133a968
1215415197206
138591879160
14448cbc7142
1524db375d2c
hex14d5dd6566

89487402342 has 32 divisors (see below), whose sum is σ = 195064305408. Its totient is φ = 27202841376.

The previous prime is 89487402337. The next prime is 89487402353. The reversal of 89487402342 is 24320478498.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6904818 + ... + 6917765.

It is an arithmetic number, because the mean of its divisors is an integer number (6095759544).

Almost surely, 289487402342 is an apocalyptic number.

89487402342 is an abundant number, since it is smaller than the sum of its proper divisors (105576903066).

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

89487402342 is a wasteful number, since it uses less digits than its factorization.

89487402342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13822684.

The product of its (nonzero) digits is 3096576, while the sum is 51.

The spelling of 89487402342 in words is "eighty-nine billion, four hundred eighty-seven million, four hundred two thousand, three hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 83 166 249 498 1079 2158 3237 6474 13822583 27645166 41467749 82935498 179693579 359387158 539080737 1078161474 1147274389 2294548778 3441823167 6883646334 14914567057 29829134114 44743701171 89487402342