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18143342200 = 2352372451803
BaseRepresentation
bin10000111001011011…
…010110111001111000
31201211102220021120001
4100321123112321320
5244124143422300
612200202442344
71211415602254
oct207133267170
951742807501
1018143342200
117770497595
1236242033b4
131931b3ac59
14c418a1264
15712c7016a
hex4396d6e78

18143342200 has 48 divisors (see below), whose sum is σ = 43323376680. Its totient is φ = 7061189760.

The previous prime is 18143342137. The next prime is 18143342207. The reversal of 18143342200 is 224334181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18143342207) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1218502 + ... + 1233301.

Almost surely, 218143342200 is an apocalyptic number.

18143342200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18143342200 is an abundant number, since it is smaller than the sum of its proper divisors (25180034480).

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

18143342200 is a wasteful number, since it uses less digits than its factorization.

18143342200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2451856 (or 2451847 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 18143342200 its reverse (224334181), we get a palindrome (18367676381).

The spelling of 18143342200 in words is "eighteen billion, one hundred forty-three million, three hundred forty-two thousand, two hundred".

Divisors: 1 2 4 5 8 10 20 25 37 40 50 74 100 148 185 200 296 370 740 925 1480 1850 3700 7400 2451803 4903606 9807212 12259015 19614424 24518030 49036060 61295075 90716711 98072120 122590150 181433422 245180300 362866844 453583555 490360600 725733688 907167110 1814334220 2267917775 3628668440 4535835550 9071671100 18143342200