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86885056350642 = 231110312780973279
BaseRepresentation
bin10011110000010110000000…
…111010111000100110110010
3102101122010111222001121121210
4103300112000322320212302
542342011043411210032
6504442235512500550
724205144456360314
oct2360260072704662
9371563458047553
1086885056350642
1125758822248450
1298b2aa56aa756
1339632c1a01c34
14176538b2137b4
15a0a12e01a2cc
hex4f0580eb89b2

86885056350642 has 32 divisors (see below), whose sum is σ = 191407855841280. Its totient is φ = 26073185487120.

The previous prime is 86885056350583. The next prime is 86885056350683. The reversal of 86885056350642 is 24605365058868.

It is a happy number.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (66).

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, 6390479842 + ... + 6390493437.

It is an arithmetic number, because the mean of its divisors is an integer number (5981495495040).

Almost surely, 286885056350642 is an apocalyptic number.

86885056350642 is an abundant number, since it is smaller than the sum of its proper divisors (104522799490638).

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

86885056350642 is a wasteful number, since it uses less digits than its factorization.

86885056350642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12780973398.

The product of its (nonzero) digits is 331776000, while the sum is 66.

The spelling of 86885056350642 in words is "eighty-six trillion, eight hundred eighty-five billion, fifty-six million, three hundred fifty thousand, six hundred forty-two".

Divisors: 1 2 3 6 11 22 33 66 103 206 309 618 1133 2266 3399 6798 12780973279 25561946558 38342919837 76685839674 140590706069 281181412138 421772118207 843544236414 1316440247737 2632880495474 3949320743211 7898641486422 14480842725107 28961685450214 43442528175321 86885056350642