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17869496872 = 2320271101967
BaseRepresentation
bin10000101001000110…
…101110001000101000
31201010100121111101111
4100221012232020220
5243044042344442
612113101200104
71201552134343
oct205106561050
951110544344
1017869496872
11763a957537
123568560034
1318ba199ab6
14c1737945a
156e8bcab17
hex4291ae228

17869496872 has 16 divisors (see below), whose sum is σ = 33521866560. Its totient is φ = 8930332464.

The previous prime is 17869496861. The next prime is 17869496899. The reversal of 17869496872 is 27869496871.

It is a junction number, because it is equal to n+sod(n) for n = 17869496798 and 17869496807.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 534768 + ... + 567199.

It is an arithmetic number, because the mean of its divisors is an integer number (2095116660).

Almost surely, 217869496872 is an apocalyptic number.

It is an amenable number.

17869496872 is a deficient number, since it is larger than the sum of its proper divisors (15652369688).

17869496872 is a wasteful number, since it uses less digits than its factorization.

17869496872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104000 (or 1103996 counting only the distinct ones).

The product of its digits is 73156608, while the sum is 67.

Subtracting 17869496872 from its reverse (27869496871), we obtain a palindrome (9999999999).

The spelling of 17869496872 in words is "seventeen billion, eight hundred sixty-nine million, four hundred ninety-six thousand, eight hundred seventy-two".

Divisors: 1 2 4 8 2027 4054 8108 16216 1101967 2203934 4407868 8815736 2233687109 4467374218 8934748436 17869496872