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80896284670 = 2531322181017
BaseRepresentation
bin100101101010111001…
…0110101011111111110
321201210210122001102111
41023111302311133332
52311133422102140
6101055132044234
75562454034305
oct1132562653776
9251723561374
1080896284670
1131342931013
121381800367a
137822a2a386
143cb5c0943c
1521870147ea
hex12d5cb57fe

80896284670 has 32 divisors (see below), whose sum is σ = 150359037696. Its totient is φ = 31304582400.

The previous prime is 80896284593. The next prime is 80896284719. The reversal of 80896284670 is 7648269808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 958002 + ... + 1039018.

It is an arithmetic number, because the mean of its divisors is an integer number (4698719928).

Almost surely, 280896284670 is an apocalyptic number.

80896284670 is a deficient number, since it is larger than the sum of its proper divisors (69462753026).

80896284670 is a wasteful number, since it uses less digits than its factorization.

80896284670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84276.

The product of its (nonzero) digits is 9289728, while the sum is 58.

The spelling of 80896284670 in words is "eighty billion, eight hundred ninety-six million, two hundred eighty-four thousand, six hundred seventy".

Divisors: 1 2 5 10 31 62 155 310 3221 6442 16105 32210 81017 99851 162034 199702 405085 499255 810170 998510 2511527 5023054 12557635 25115270 260955757 521911514 1304778785 2609557570 8089628467 16179256934 40448142335 80896284670