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86710805121 = 3349578314321
BaseRepresentation
bin101000011000001011…
…1011110001010000001
322021211000200021222210
41100300113132022001
52410040431230441
6103500121252333
76156526453053
oct1206027361201
9267730607883
1086710805121
1133856a97316
121497b3340a9
13823b554115
1442a81358d3
1523c7710616
hex14305de281

86710805121 has 16 divisors (see below), whose sum is σ = 115973827200. Its totient is φ = 57627575040.

The previous prime is 86710805089. The next prime is 86710805173. The reversal of 86710805121 is 12150801768.

It is not a de Polignac number, because 86710805121 - 25 = 86710805089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86710805121.

It is not an unprimeable number, because it can be changed into a prime (86710805021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6047641 + ... + 6061961.

It is an arithmetic number, because the mean of its divisors is an integer number (7248364200).

Almost surely, 286710805121 is an apocalyptic number.

It is an amenable number.

86710805121 is a deficient number, since it is larger than the sum of its proper divisors (29263022079).

86710805121 is a wasteful number, since it uses less digits than its factorization.

86710805121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20456.

The product of its (nonzero) digits is 26880, while the sum is 39.

The spelling of 86710805121 in words is "eighty-six billion, seven hundred ten million, eight hundred five thousand, one hundred twenty-one".

Divisors: 1 3 349 1047 5783 14321 17349 42963 2018267 4998029 6054801 14994087 82818343 248455029 28903601707 86710805121