Search a number
-
+
18348018200 = 2352367249973
BaseRepresentation
bin10001000101101000…
…001000101000011000
31202100201000220020122
4101011220020220120
5300034043040300
612232353412412
71216452403301
oct210550105030
952321026218
1018348018200
117865a83706
12368086a108
131965371705
14c60b3d7a8
15725beec85
hex445a08a18

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".

Divisors: 1 2 4 5 8 10 20 25 40 50 100 200 367 734 1468 1835 2936 3670 7340 9175 14680 18350 36700 73400 249973 499946 999892 1249865 1999784 2499730 4999460 6249325 9998920 12498650 24997300 49994600 91740091 183480182 366960364 458700455 733920728 917400910 1834801820 2293502275 3669603640 4587004550 9174009100 18348018200