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218482808830834 = 24122324374902787
BaseRepresentation
bin110001101011010101111110…
…001101011011101101110010
31001122120202022121020112210111
4301223111332031123231302
5212114110243030041314
62052401341115251534
764006601451232222
oct6153257615335562
91048522277215714
10218482808830834
1163685047828179
1220607522749baa
1394baac0681272
143bd48a53b2082
151a3d38c6e0ec4
hexc6b57e35bb72

218482808830834 has 32 divisors (see below), whose sum is σ = 337361391392256. Its totient is φ = 106055497860480.

The previous prime is 218482808830717. The next prime is 218482808830873. The reversal of 218482808830834 is 438038808284812.

It is a super-2 number, since 2×2184828088308342 (a number of 29 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (67) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 218482808830834.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42111589 + ... + 47014375.

It is an arithmetic number, because the mean of its divisors is an integer number (10542543481008).

Almost surely, 2218482808830834 is an apocalyptic number.

218482808830834 is a deficient number, since it is larger than the sum of its proper divisors (118878582561422).

218482808830834 is a wasteful number, since it uses less digits than its factorization.

218482808830834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4905490.

The product of its (nonzero) digits is 150994944, while the sum is 67.

The spelling of 218482808830834 in words is "two hundred eighteen trillion, four hundred eighty-two billion, eight hundred eight million, eight hundred thirty thousand, eight hundred thirty-four".

Divisors: 1 2 41 82 223 446 2437 4874 9143 18286 99917 199834 543451 1086902 4902787 9805574 22281491 44562982 201014267 402028534 1093321501 2186643002 11948091919 23896183838 44826181541 89652363082 489871768679 979743537358 2664424497937 5328848995874 109241404415417 218482808830834