Base | Representation |
---|---|
bin | 10001000101101000… |
… | …001000101000011000 |
3 | 1202100201000220020122 |
4 | 101011220020220120 |
5 | 300034043040300 |
6 | 12232353412412 |
7 | 1216452403301 |
oct | 210550105030 |
9 | 52321026218 |
10 | 18348018200 |
11 | 7865a83706 |
12 | 368086a108 |
13 | 1965371705 |
14 | c60b3d7a8 |
15 | 725beec85 |
hex | 445a08a18 |
18348018200 has 48 divisors (see below), whose sum is σ = 42775550880. Its totient is φ = 7319180160.
The previous prime is 18348018191. The next prime is 18348018233. The reversal of 18348018200 is 281084381.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51587 + ... + 198386.
It is an arithmetic number, because the mean of its divisors is an integer number (891157310).
Almost surely, 218348018200 is an apocalyptic number.
18348018200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
18348018200 is an abundant number, since it is smaller than the sum of its proper divisors (24427532680).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18348018200 is a wasteful number, since it uses less digits than its factorization.
18348018200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 250356 (or 250347 counting only the distinct ones).
The product of its (nonzero) digits is 12288, while the sum is 35.
The spelling of 18348018200 in words is "eighteen billion, three hundred forty-eight million, eighteen thousand, two hundred".
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