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18068363076 = 2238119411973
BaseRepresentation
bin10000110100111101…
…010101011101000100
31201122012210221112110
4100310331111131010
5244001000104301
612144523421020
71206515360241
oct206475253504
951565727473
1018068363076
117732135675
123603084770
13191c447cca
14c359445c8
1570b3ae0d6
hex434f55744

18068363076 has 48 divisors (see below), whose sum is σ = 42277773888. Its totient is φ = 6005923200.

The previous prime is 18068363041. The next prime is 18068363119. The reversal of 18068363076 is 67036386081.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 9156826 + ... + 9158798.

It is an arithmetic number, because the mean of its divisors is an integer number (880786956).

Almost surely, 218068363076 is an apocalyptic number.

It is an amenable number.

18068363076 is an abundant number, since it is smaller than the sum of its proper divisors (24209410812).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18068363076 is a wasteful number, since it uses less digits than its factorization.

18068363076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3732 (or 3730 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 48.

The spelling of 18068363076 in words is "eighteen billion, sixty-eight million, three hundred sixty-three thousand, seventy-six".

Divisors: 1 2 3 4 6 12 811 941 1622 1882 1973 2433 2823 3244 3764 3946 4866 5646 5919 7892 9732 11292 11838 23676 763151 1526302 1600103 1856593 2289453 3052604 3200206 3713186 4578906 4800309 5569779 6400412 7426372 9157812 9600618 11139558 19201236 22279116 1505696923 3011393846 4517090769 6022787692 9034181538 18068363076