Base | Representation |
---|---|
bin | 111110111101010… |
… | …1010011001100011 |
3 | 12110020002122101120 |
4 | 1331322222121203 |
5 | 13311301430034 |
6 | 545342503323 |
7 | 103231131435 |
oct | 17572523143 |
9 | 5406078346 |
10 | 2112530019 |
11 | 994517086 |
12 | 4ab594b43 |
13 | 278887182 |
14 | 1607cc655 |
15 | c56dec49 |
hex | 7deaa663 |
2112530019 has 8 divisors (see below), whose sum is σ = 2820682320. Its totient is φ = 1406365536.
The previous prime is 2112529957. The next prime is 2112530023. The reversal of 2112530019 is 9100352112.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 2112530019 - 27 = 2112529891 is a prime.
It is a super-2 number, since 2×21125300192 = 8925566162352280722, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (2112530089) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494472 + ... + 498725.
It is an arithmetic number, because the mean of its divisors is an integer number (352585290).
Almost surely, 22112530019 is an apocalyptic number.
2112530019 is a deficient number, since it is larger than the sum of its proper divisors (708152301).
2112530019 is an equidigital number, since it uses as much as digits as its factorization.
2112530019 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 993909.
The product of its (nonzero) digits is 540, while the sum is 24.
The square root of 2112530019 is about 45962.2673396341. The cubic root of 2112530019 is about 1283.1210496716.
The spelling of 2112530019 in words is "two billion, one hundred twelve million, five hundred thirty thousand, nineteen".
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