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289433189234 = 2789232289879
BaseRepresentation
bin1000011011000111000…
…11111111101101110010
31000200002002121102102102
410031203203333231302
514220224344023414
6340544101420402
726624265342020
oct4154343775562
91020062542372
10289433189234
11101825542a42
124811670a702
13213a7896367
14100199d5710
1577deb8bede
hex43638ffb72

289433189234 has 16 divisors (see below), whose sum is σ = 501746140800. Its totient is φ = 122649055584.

The previous prime is 289433189209. The next prime is 289433189267. The reversal of 289433189234 is 432981334982.

It is a self number, because there is not a number n which added to its sum of digits gives 289433189234.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116143694 + ... + 116146185.

It is an arithmetic number, because the mean of its divisors is an integer number (31359133800).

Almost surely, 2289433189234 is an apocalyptic number.

289433189234 is a deficient number, since it is larger than the sum of its proper divisors (212312951566).

289433189234 is a wasteful number, since it uses less digits than its factorization.

289433189234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232289977.

The product of its digits is 8957952, while the sum is 56.

The spelling of 289433189234 in words is "two hundred eighty-nine billion, four hundred thirty-three million, one hundred eighty-nine thousand, two hundred thirty-four".

Divisors: 1 2 7 14 89 178 623 1246 232289879 464579758 1626029153 3252058306 20673799231 41347598462 144716594617 289433189234