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289706899740 = 223515131976479
BaseRepresentation
bin1000011011100111110…
…00000111100100011100
31000200210011122100122120
410031303320013210130
514221304431242430
6341031200142540
726634131005566
oct4156370074434
91020704570576
10289706899740
11101955aa0775
1248192307a50
132141c4bb03b
14100440c4336
157808c06610
hex4373e0791c

289706899740 has 48 divisors (see below), whose sum is σ = 816551393280. Its totient is φ = 76743547200.

The previous prime is 289706899721. The next prime is 289706899751. The reversal of 289706899740 is 47998607982.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 15979180 + ... + 15997299.

It is an arithmetic number, because the mean of its divisors is an integer number (17011487360).

Almost surely, 2289706899740 is an apocalyptic number.

289706899740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

289706899740 is an abundant number, since it is smaller than the sum of its proper divisors (526844493540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289706899740 is a wasteful number, since it uses less digits than its factorization.

289706899740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31976642 (or 31976640 counting only the distinct ones).

The product of its (nonzero) digits is 109734912, while the sum is 69.

The spelling of 289706899740 in words is "two hundred eighty-nine billion, seven hundred six million, eight hundred ninety-nine thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 151 302 453 604 755 906 1510 1812 2265 3020 4530 9060 31976479 63952958 95929437 127905916 159882395 191858874 319764790 383717748 479647185 639529580 959294370 1918588740 4828448329 9656896658 14485344987 19313793316 24142241645 28970689974 48284483290 57941379948 72426724935 96568966580 144853449870 289706899740