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10806888518 = 259281325921
BaseRepresentation
bin10100001000010010…
…00000100001000110
31000220011001211002022
422010021000201012
5134113030413033
64544205043142
7531543015416
oct120411004106
930804054068
1010806888518
114646230328
1221172564b2
131032c128ba
147473a2646
15433b46098
hex284240846

10806888518 has 16 divisors (see below), whose sum is σ = 16543800720. Its totient is φ = 5292940800.

The previous prime is 10806888493. The next prime is 10806888529. The reversal of 10806888518 is 81588860801.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10806888518.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129803 + ... + 196118.

It is an arithmetic number, because the mean of its divisors is an integer number (1033987545).

Almost surely, 210806888518 is an apocalyptic number.

10806888518 is a deficient number, since it is larger than the sum of its proper divisors (5736912202).

10806888518 is a wasteful number, since it uses less digits than its factorization.

10806888518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326263.

The product of its (nonzero) digits is 983040, while the sum is 53.

The spelling of 10806888518 in words is "ten billion, eight hundred six million, eight hundred eighty-eight thousand, five hundred eighteen".

Divisors: 1 2 59 118 281 562 16579 33158 325921 651842 19229339 38458678 91583801 183167602 5403444259 10806888518