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86320643507 = 712331520501
BaseRepresentation
bin101000001100100011…
…1000111110110110011
322020210211112000212122
41100121013013312303
52403241041043012
6103353302544455
76144051235460
oct1203107076663
9266724460778
1086320643507
11336768310aa
121489073812b
1381a8778967
14426c3b2667
1523a3341e72
hex14191c7db3

86320643507 has 4 divisors (see below), whose sum is σ = 98652164016. Its totient is φ = 73989123000.

The previous prime is 86320643503. The next prime is 86320643531. The reversal of 86320643507 is 70534602368.

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 86320643507 - 22 = 86320643503 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86320643501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6165760244 + ... + 6165760257.

It is an arithmetic number, because the mean of its divisors is an integer number (24663041004).

Almost surely, 286320643507 is an apocalyptic number.

86320643507 is a deficient number, since it is larger than the sum of its proper divisors (12331520509).

86320643507 is a wasteful number, since it uses less digits than its factorization.

86320643507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12331520508.

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 86320643507 in words is "eighty-six billion, three hundred twenty million, six hundred forty-three thousand, five hundred seven".

Divisors: 1 7 12331520501 86320643507