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86605443008 = 2671731211833
BaseRepresentation
bin101000010101000010…
…1100010111111000000
322021112200102100100022
41100222011202333000
52404331443134013
6103441435113012
76154110055640
oct1205205427700
9267480370308
1086605443008
1133802573197
121494bba2768
138222783a86
14429814a520
1523bd34c008
hex142a162fc0

86605443008 has 168 divisors, whose sum is σ = 214905250656. Its totient is φ = 33803550720.

The previous prime is 86605442927. The next prime is 86605443073. The reversal of 86605443008 is 80034450668.

It is a super-2 number, since 2×866054430082 (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86605443008.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7313060 + ... + 7324892.

Almost surely, 286605443008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86605443008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107452625328).

86605443008 is an abundant number, since it is smaller than the sum of its proper divisors (128299807648).

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

86605443008 is a wasteful number, since it uses less digits than its factorization.

86605443008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11931 (or 11890 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 86605443008 in words is "eighty-six billion, six hundred five million, four hundred forty-three thousand, eight".