Base | Representation |
---|---|
bin | 1000001010111110… |
… | …0000110101001000 |
3 | 12122212110000011100 |
4 | 2002233200311020 |
5 | 13443013241240 |
6 | 1001354101400 |
7 | 105233246154 |
oct | 20257406510 |
9 | 5585400140 |
10 | 2193493320 |
11 | a26195aa7 |
12 | 51271a860 |
13 | 28c593b55 |
14 | 16b466064 |
15 | cc883e30 |
hex | 82be0d48 |
2193493320 has 96 divisors (see below), whose sum is σ = 7144857720. Its totient is φ = 583618560.
The previous prime is 2193493303. The next prime is 2193493321. The reversal of 2193493320 is 233943912.
2193493320 is a `hidden beast` number, since 219 + 34 + 93 + 320 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 1487953476 + 705539844 = 38574^2 + 26562^2 .
It is a super-2 number, since 2×21934933202 = 9622825889769244800, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is not an unprimeable number, because it can be changed into a prime (2193493321) by changing a digit.
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 23 ways as a sum of consecutive naturals, for example, 159352 + ... + 172568.
Almost surely, 22193493320 is an apocalyptic number.
2193493320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 2193493320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3572428860).
2193493320 is an abundant number, since it is smaller than the sum of its proper divisors (4951364400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2193493320 is a wasteful number, since it uses less digits than its factorization.
2193493320 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 13695 (or 13688 counting only the distinct ones).
The product of its (nonzero) digits is 34992, while the sum is 36.
The square root of 2193493320 is about 46834.7447948636. The cubic root of 2193493320 is about 1299.3079788259.
The spelling of 2193493320 in words is "two billion, one hundred ninety-three million, four hundred ninety-three thousand, three hundred twenty".
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