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18003893059932 = 22313214153904517
BaseRepresentation
bin1000001011111110110111…
…01001101000000101011100
32100202011012021002120221120
410011333123221220011130
54324433433110404212
6102142512502530540
73535511153001513
oct405773351500534
970664167076846
1018003893059932
1158114542a985a
122029337436a50
13a079b546a730
1446357084567a
152134c8a5788c
hex105fdba6815c

18003893059932 has 48 divisors (see below), whose sum is σ = 45261683201952. Its totient is φ = 5537071883520.

The previous prime is 18003893059891. The next prime is 18003893059937. The reversal of 18003893059932 is 23995039830081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18003893059937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26618263 + ... + 27286254.

It is an arithmetic number, because the mean of its divisors is an integer number (942951733374).

Almost surely, 218003893059932 is an apocalyptic number.

18003893059932 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18003893059932 is an abundant number, since it is smaller than the sum of its proper divisors (27257790142020).

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

18003893059932 is a wasteful number, since it uses less digits than its factorization.

18003893059932 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53906678 (or 53906676 counting only the distinct ones).

The product of its (nonzero) digits is 12597120, while the sum is 60.

The spelling of 18003893059932 in words is "eighteen trillion, three billion, eight hundred ninety-three million, fifty-nine thousand, nine hundred thirty-two".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 2141 4282 6423 8564 12846 25692 27833 55666 83499 111332 166998 333996 53904517 107809034 161713551 215618068 323427102 646854204 700758721 1401517442 2102276163 2803034884 4204552326 8409104652 115409570897 230819141794 346228712691 461638283588 692457425382 1384914850764 1500324421661 3000648843322 4500973264983 6001297686644 9001946529966 18003893059932