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86264141971 = 712323448853
BaseRepresentation
bin101000001010110111…
…1100101100010010011
322020122220012110100011
41100111233211202103
52403132110020341
6103343523535351
76142464052120
oct1202557454223
9266586173304
1086264141971
113364794a717
121487582a557
138199b551b7
144264aa5747
15239d3d0b81
hex1415be5893

86264141971 has 4 divisors (see below), whose sum is σ = 98587590832. Its totient is φ = 73940693112.

The previous prime is 86264141963. The next prime is 86264142011. The reversal of 86264141971 is 17914146268.

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

It is a cyclic number.

It is not a de Polignac number, because 86264141971 - 23 = 86264141963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86264141771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6161724420 + ... + 6161724433.

It is an arithmetic number, because the mean of its divisors is an integer number (24646897708).

Almost surely, 286264141971 is an apocalyptic number.

86264141971 is a deficient number, since it is larger than the sum of its proper divisors (12323448861).

86264141971 is a wasteful number, since it uses less digits than its factorization.

86264141971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12323448860.

The product of its digits is 580608, while the sum is 49.

The spelling of 86264141971 in words is "eighty-six billion, two hundred sixty-four million, one hundred forty-one thousand, nine hundred seventy-one".

Divisors: 1 7 12323448853 86264141971