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84306786680 = 2352107669667
BaseRepresentation
bin100111010000100010…
…0110111100101111000
322001121111002111122202
41032201010313211320
52340130014133210
6102421403005332
76043125601664
oct1164104674570
9261544074582
1084306786680
1132832a8a716
121440a209848
137c4748c3bc
14411ab4b8a4
1522d66439a5
hex13a1137978

84306786680 has 16 divisors (see below), whose sum is σ = 189690270120. Its totient is φ = 33722714656.

The previous prime is 84306786679. The next prime is 84306786691. The reversal of 84306786680 is 8668760348.

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, 1053834794 + ... + 1053834873.

Almost surely, 284306786680 is an apocalyptic number.

It is an amenable number.

84306786680 is an abundant number, since it is smaller than the sum of its proper divisors (105383483440).

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

84306786680 is a wasteful number, since it uses less digits than its factorization.

84306786680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2107669678 (or 2107669674 counting only the distinct ones).

The product of its (nonzero) digits is 9289728, while the sum is 56.

The spelling of 84306786680 in words is "eighty-four billion, three hundred six million, seven hundred eighty-six thousand, six hundred eighty".

Divisors: 1 2 4 5 8 10 20 40 2107669667 4215339334 8430678668 10538348335 16861357336 21076696670 42153393340 84306786680