Search a number
-
+
80733318120 = 233257134160107
BaseRepresentation
bin100101100110000010…
…1001010101111101000
321201101102222111100100
41023030011022233220
52310320212134440
6101031031105400
75555434611210
oct1131405125750
9251342874310
1080733318120
1131269942914
1213791512260
1377c803b570
143c9c307240
152177a73230
hex12cc14abe8

80733318120 has 384 divisors, whose sum is σ = 330815197440. Its totient is φ = 16618106880.

The previous prime is 80733318059. The next prime is 80733318137. The reversal of 80733318120 is 2181333708.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1313107 + ... + 1373213.

It is an arithmetic number, because the mean of its divisors is an integer number (861497910).

Almost surely, 280733318120 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 80733318120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165407598720).

80733318120 is an abundant number, since it is smaller than the sum of its proper divisors (250081879320).

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

80733318120 is a wasteful number, since it uses less digits than its factorization.

80733318120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60185 (or 60178 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 80733318120 in words is "eighty billion, seven hundred thirty-three million, three hundred eighteen thousand, one hundred twenty".