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18434416120 = 2353299139697
BaseRepresentation
bin10001001010110001…
…101101110111111000
31202120201121100220121
4101022301231313320
5300223202303440
612245121303024
71221551644261
oct211261556770
952521540817
1018434416120
1178aa82474a
1236a5794a74
13197a231c43
14c6c3cd968
1572d5b934a
hex44ac6ddf8

18434416120 has 32 divisors (see below), whose sum is σ = 41490306000. Its totient is φ = 7371478528.

The previous prime is 18434416103. The next prime is 18434416153. The reversal of 18434416120 is 2161443481.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62112 + ... + 201808.

Almost surely, 218434416120 is an apocalyptic number.

18434416120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18434416120 is an abundant number, since it is smaller than the sum of its proper divisors (23055889880).

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

18434416120 is a wasteful number, since it uses less digits than its factorization.

18434416120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143007 (or 143003 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The spelling of 18434416120 in words is "eighteen billion, four hundred thirty-four million, four hundred sixteen thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 3299 6598 13196 16495 26392 32990 65980 131960 139697 279394 558788 698485 1117576 1396970 2793940 5587880 460860403 921720806 1843441612 2304302015 3686883224 4608604030 9217208060 18434416120