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86205768264841 = 131191765709773
BaseRepresentation
bin10011100110011101011000…
…001100011110110010001001
3102022020012011012200110211011
4103212131120030132302021
542244343403133433331
6503202214435403521
724105106205043301
oct2346353014366211
9368205135613734
1086205768264841
112551672a895515
1298033094535a1
133914227590c34
14174054a990601
159e76234563b1
hex4e675831ec89

86205768264841 has 4 divisors (see below), whose sum is σ = 86205835286532. Its totient is φ = 86205701243152.

The previous prime is 86205768264829. The next prime is 86205768264853. The reversal of 86205768264841 is 14846286750268.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (86205768264829) and next prime (86205768264853).

It can be written as a sum of positive squares in 2 ways, for example, as 15186382974841 + 71019385290000 = 3896971^2 + 8427300^2 .

It is a cyclic number.

It is not a de Polignac number, because 86205768264841 - 27 = 86205768264713 is a prime.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86205768267841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31542970 + ... + 34166803.

It is an arithmetic number, because the mean of its divisors is an integer number (21551458821633).

Almost surely, 286205768264841 is an apocalyptic number.

It is an amenable number.

86205768264841 is a deficient number, since it is larger than the sum of its proper divisors (67021691).

86205768264841 is a wasteful number, since it uses less digits than its factorization.

86205768264841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67021690.

The product of its (nonzero) digits is 247726080, while the sum is 67.

The spelling of 86205768264841 in words is "eighty-six trillion, two hundred five billion, seven hundred sixty-eight million, two hundred sixty-four thousand, eight hundred forty-one".

Divisors: 1 1311917 65709773 86205768264841