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18043154224 = 2419400314827
BaseRepresentation
bin10000110011011101…
…001010111100110000
31201120110101012111021
4100303131022330300
5243423021413344
612142223225224
71206061165114
oct206335127460
951513335437
1018043154224
117719987907
1235b6748214
13191715ca24
14c32461744
1570907eb84
hex43374af30

18043154224 has 40 divisors (see below), whose sum is σ = 36810213440. Its totient is φ = 8544045888.

The previous prime is 18043154219. The next prime is 18043154231. The reversal of 18043154224 is 42245134081.

It is a self number, because there is not a number n which added to its sum of digits gives 18043154224.

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 7 ways as a sum of consecutive naturals, for example, 1209499 + ... + 1224325.

It is an arithmetic number, because the mean of its divisors is an integer number (920255336).

Almost surely, 218043154224 is an apocalyptic number.

It is an amenable number.

18043154224 is an abundant number, since it is smaller than the sum of its proper divisors (18767059216).

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

18043154224 is a wasteful number, since it uses less digits than its factorization.

18043154224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18857 (or 18851 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 34.

The spelling of 18043154224 in words is "eighteen billion, forty-three million, one hundred fifty-four thousand, two hundred twenty-four".

Divisors: 1 2 4 8 16 19 38 76 152 304 4003 8006 14827 16012 29654 32024 59308 64048 76057 118616 152114 237232 281713 304228 563426 608456 1126852 1216912 2253704 4507408 59352481 118704962 237409924 474819848 949639696 1127697139 2255394278 4510788556 9021577112 18043154224