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86168000858 = 261853828013
BaseRepresentation
bin101000001000000000…
…0110101100101011010
322020102012021222112012
41100100000311211122
52402433002011413
6103330211145522
76140215631252
oct1202000654532
9266365258465
1086168000858
11335a8654455
12148495a52a2
138182c62c74
144255dda962
152394c3e7a8
hex141003595a

86168000858 has 16 divisors (see below), whose sum is σ = 131525055816. Its totient is φ = 42327973440.

The previous prime is 86168000857. The next prime is 86168000873. The reversal of 86168000858 is 85800086168.

It can be written as a sum of positive squares in 4 ways, for example, as 47364122689 + 38803878169 = 217633^2 + 196987^2 .

It is not an unprimeable number, because it can be changed into a prime (86168000857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309941 + ... + 518072.

Almost surely, 286168000858 is an apocalyptic number.

86168000858 is a deficient number, since it is larger than the sum of its proper divisors (45357054958).

86168000858 is a wasteful number, since it uses less digits than its factorization.

86168000858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 828929.

The product of its (nonzero) digits is 737280, while the sum is 50.

The spelling of 86168000858 in words is "eighty-six billion, one hundred sixty-eight million, eight hundred fifty-eight", and thus it is an aban number.

Divisors: 1 2 61 122 853 1706 52033 104066 828013 1656026 50508793 101017586 706295089 1412590178 43084000429 86168000858