Search a number
-
+
18284200536 = 23371719595711
BaseRepresentation
bin10001000001110100…
…101100001001011000
31202012020221121212110
4101001310230021120
5244421223404121
612222153512320
71215046066050
oct210164541130
952166847773
1018284200536
117832a55538
1236634126a0
131955088b94
14c5648a560
157202e5d76
hex441d2c258

18284200536 has 256 divisors, whose sum is σ = 59222016000. Its totient is φ = 4578232320.

The previous prime is 18284200523. The next prime is 18284200549. The reversal of 18284200536 is 63500248281.

It is an interprime number because it is at equal distance from previous prime (18284200523) and next prime (18284200549).

It is a junction number, because it is equal to n+sod(n) for n = 18284200494 and 18284200503.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3198721 + ... + 3204431.

It is an arithmetic number, because the mean of its divisors is an integer number (231336000).

Almost surely, 218284200536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18284200536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29611008000).

18284200536 is an abundant number, since it is smaller than the sum of its proper divisors (40937815464).

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

18284200536 is a wasteful number, since it uses less digits than its factorization.

18284200536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5822 (or 5818 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 18284200536 in words is "eighteen billion, two hundred eighty-four million, two hundred thousand, five hundred thirty-six".