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16303142889 = 351129210317
BaseRepresentation
bin11110010111011111…
…00011011111101001
31120002012020110200000
433023233203133221
5231342101033024
611253424533213
71115002266555
oct171357433751
946065213600
1016303142889
116a06776610
1231aba81209
1316ca814717
14b09322865
15656425cc9
hex3cbbe37e9

16303142889 has 48 divisors (see below), whose sum is σ = 27560070720. Its totient is φ = 9539933760.

The previous prime is 16303142873. The next prime is 16303142959. The reversal of 16303142889 is 98824130361.

16303142889 is a `hidden beast` number, since 1 + 630 + 3 + 1 + 4 + 2 + 8 + 8 + 9 = 666.

It is not a de Polignac number, because 16303142889 - 24 = 16303142873 is a prime.

It is not an unprimeable number, because it can be changed into a prime (16303142809) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 27642 + ... + 182675.

It is an arithmetic number, because the mean of its divisors is an integer number (574168140).

Almost surely, 216303142889 is an apocalyptic number.

It is an amenable number.

16303142889 is a deficient number, since it is larger than the sum of its proper divisors (11256927831).

16303142889 is a wasteful number, since it uses less digits than its factorization.

16303142889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210372 (or 210360 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The spelling of 16303142889 in words is "sixteen billion, three hundred three million, one hundred forty-two thousand, eight hundred eighty-nine".

Divisors: 1 3 9 11 27 29 33 81 87 99 243 261 297 319 783 891 957 2349 2673 2871 7047 8613 25839 77517 210317 630951 1892853 2313487 5678559 6099193 6940461 17035677 18297579 20821383 51107031 54892737 62464149 67091123 164678211 187392447 201273369 494034633 562177341 603820107 1482103899 1811460321 5434380963 16303142889