Base | Representation |
---|---|
bin | 111001100001100… |
… | …0110011111001011 |
3 | 11222111222221210211 |
4 | 1303003012133023 |
5 | 12423112132333 |
6 | 515310421551 |
7 | 65555240245 |
oct | 16303063713 |
9 | 4874887724 |
10 | 1930192843 |
11 | 9005a84a7 |
12 | 45a5018b7 |
13 | 249b75557 |
14 | 1444c7095 |
15 | b46c3ecd |
hex | 730c67cb |
1930192843 has 8 divisors (see below), whose sum is σ = 2032819200. Its totient is φ = 1827670248.
The previous prime is 1930192841. The next prime is 1930192853. The reversal of 1930192843 is 3482910391.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 1930192843 - 21 = 1930192841 is a prime.
It is a super-2 number, since 2×19301928432 = 7451288822336845298, which contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 1930192796 and 1930192805.
It is not an unprimeable number, because it can be changed into a prime (1930192841) 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 7 ways as a sum of consecutive naturals, for example, 13830 + ... + 63652.
It is an arithmetic number, because the mean of its divisors is an integer number (254102400).
Almost surely, 21930192843 is an apocalyptic number.
1930192843 is a deficient number, since it is larger than the sum of its proper divisors (102626357).
1930192843 is a wasteful number, since it uses less digits than its factorization.
1930192843 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51881.
The product of its (nonzero) digits is 46656, while the sum is 40.
The square root of 1930192843 is about 43933.9600195566. The cubic root of 1930192843 is about 1245.0885337814.
The spelling of 1930192843 in words is "one billion, nine hundred thirty million, one hundred ninety-two thousand, eight hundred forty-three".
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