Base | Representation |
---|---|
bin | 111100001011000… |
… | …1011011110011010 |
3 | 12012201020220012002 |
4 | 1320112023132122 |
5 | 13113341030330 |
6 | 532203521002 |
7 | 101014616606 |
oct | 17026133632 |
9 | 5181226162 |
10 | 2019080090 |
11 | 946799835 |
12 | 484229162 |
13 | 2623c7b61 |
14 | 152224506 |
15 | bc3d0e45 |
hex | 7858b79a |
2019080090 has 8 divisors (see below), whose sum is σ = 3634344180. Its totient is φ = 807632032.
The previous prime is 2019080081. The next prime is 2019080099. The reversal of 2019080090 is 900809102.
It is an interprime number because it is at equal distance from previous prime (2019080081) and next prime (2019080099).
It can be written as a sum of positive squares in 2 ways, for example, as 1920455329 + 98624761 = 43823^2 + 9931^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (2019080099) by changing a digit.
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 3 ways as a sum of consecutive naturals, for example, 100953995 + ... + 100954014.
Almost surely, 22019080090 is an apocalyptic number.
2019080090 is a deficient number, since it is larger than the sum of its proper divisors (1615264090).
2019080090 is a wasteful number, since it uses less digits than its factorization.
2019080090 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 201908016.
The product of its (nonzero) digits is 1296, while the sum is 29.
The square root of 2019080090 is about 44934.1750786637. The cubic root of 2019080090 is about 1263.9149438874.
Adding to 2019080090 its reverse (900809102), we get a palindrome (2919889192).
The spelling of 2019080090 in words is "two billion, nineteen million, eighty thousand, ninety".
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