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18310042559044 = 22191129213393811
BaseRepresentation
bin1000010100111001000111…
…00101010010001001000100
32101211102102100101112121001
410022130203211102021010
54344442431343342134
6102535303433103044
73566566631545045
oct412344345221104
971742370345531
1018310042559044
11591a277756825
122078738257a84
13a2a825319cc2
144742d45908cc
1521b446030414
hex10a723952244

18310042559044 has 24 divisors (see below), whose sum is σ = 33758901058400. Its totient is φ = 8665495836480.

The previous prime is 18310042559041. The next prime is 18310042559077. The reversal of 18310042559044 is 44095524001381.

It is a junction number, because it is equal to n+sod(n) for n = 18310042558985 and 18310042559003.

It is not an unprimeable number, because it can be changed into a prime (18310042559041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106611102 + ... + 106782709.

Almost surely, 218310042559044 is an apocalyptic number.

It is an amenable number.

18310042559044 is a deficient number, since it is larger than the sum of its proper divisors (15448858499356).

18310042559044 is a wasteful number, since it uses less digits than its factorization.

18310042559044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213394963 (or 213394961 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 46.

The spelling of 18310042559044 in words is "eighteen trillion, three hundred ten billion, forty-two million, five hundred fifty-nine thousand, forty-four".

Divisors: 1 2 4 19 38 76 1129 2258 4516 21451 42902 85804 213393811 426787622 853575244 4054482409 8108964818 16217929636 240921612619 481843225238 963686450476 4577510639761 9155021279522 18310042559044