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80895471782 = 271569686421
BaseRepresentation
bin100101101010110111…
…1101111000010100110
321201210202002202100112
41023111233233002212
52311133220044112
6101055102413022
75562444110336
oct1132557570246
9251722082315
1080895471782
1131342426304
1213817891172
137822804388
143cb5a770c6
152186e03a22
hex12d5bef0a6

80895471782 has 8 divisors (see below), whose sum is σ = 123052267152. Its totient is φ = 39878049400.

The previous prime is 80895471781. The next prime is 80895471793. The reversal of 80895471782 is 28717459808.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80895471781) 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, 284843069 + ... + 284843352.

It is an arithmetic number, because the mean of its divisors is an integer number (15381533394).

Almost surely, 280895471782 is an apocalyptic number.

80895471782 is a deficient number, since it is larger than the sum of its proper divisors (42156795370).

80895471782 is a wasteful number, since it uses less digits than its factorization.

80895471782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569686494.

The product of its (nonzero) digits is 9031680, while the sum is 59.

The spelling of 80895471782 in words is "eighty billion, eight hundred ninety-five million, four hundred seventy-one thousand, seven hundred eighty-two".

Divisors: 1 2 71 142 569686421 1139372842 40447735891 80895471782