Base | Representation |
---|---|
bin | 111100101001010… |
… | …000111010010011 |
3 | 2121220111211012012 |
4 | 330221100322103 |
5 | 4040431401011 |
6 | 244543253135 |
7 | 34133116625 |
oct | 7451207223 |
9 | 2556454165 |
10 | 1017450131 |
11 | 482362385 |
12 | 2448aa1ab |
13 | 132a39ac9 |
14 | 991b0c15 |
15 | 5e4cba8b |
hex | 3ca50e93 |
1017450131 has 4 divisors (see below), whose sum is σ = 1017519552. Its totient is φ = 1017380712.
The previous prime is 1017450121. The next prime is 1017450191. The reversal of 1017450131 is 1310547101.
It is a happy number.
1017450131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1310547101 = 293 ⋅4472857.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1017450131 is a prime.
It is a super-2 number, since 2×10174501312 = 2070409538143834322, 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 = 1017450097 and 1017450106.
It is not an unprimeable number, because it can be changed into a prime (1017450121) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3176 + ... + 45221.
It is an arithmetic number, because the mean of its divisors is an integer number (254379888).
Almost surely, 21017450131 is an apocalyptic number.
1017450131 is a deficient number, since it is larger than the sum of its proper divisors (69421).
1017450131 is an equidigital number, since it uses as much as digits as its factorization.
1017450131 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 69420.
The product of its (nonzero) digits is 420, while the sum is 23.
The square root of 1017450131 is about 31897.4941178770. The cubic root of 1017450131 is about 1005.7832004520.
Adding to 1017450131 its reverse (1310547101), we get a palindrome (2327997232).
The spelling of 1017450131 in words is "one billion, seventeen million, four hundred fifty thousand, one hundred thirty-one".
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