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18194246934 = 2353210392
BaseRepresentation
bin10000111100011101…
…100010110100010110
31201221222200111201120
4100330131202310112
5244230211400214
612205221504410
71212604355463
oct207435426426
951858614646
1018194246934
1177971a6016
123639272106
13193c5520b6
14c4855266a
15717477ea9
hex43c762d16

18194246934 has 36 divisors (see below), whose sum is σ = 37123753716. Its totient is φ = 5944592784.

The previous prime is 18194246891. The next prime is 18194246969. The reversal of 18194246934 is 43964249181.

It is a congruent number.

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 17 ways as a sum of consecutive naturals, for example, 17510787 + ... + 17511825.

It is an arithmetic number, because the mean of its divisors is an integer number (1031215381).

Almost surely, 218194246934 is an apocalyptic number.

18194246934 is an abundant number, since it is smaller than the sum of its proper divisors (18929506782).

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

18194246934 is an frugal number, since it uses more digits than its factorization.

18194246934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2189 (or 1097 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 51.

The spelling of 18194246934 in words is "eighteen billion, one hundred ninety-four million, two hundred forty-six thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 53 106 159 318 1039 2078 2809 3117 5618 6234 8427 16854 55067 110134 165201 330402 1079521 2159042 2918551 3238563 5837102 6477126 8755653 17511306 57214613 114429226 171643839 343287678 3032374489 6064748978 9097123467 18194246934