Base | Representation |
---|---|
bin | 111100110011011… |
… | …000100110110101 |
3 | 2122002111121101001 |
4 | 330303120212311 |
5 | 4042121244333 |
6 | 245120203301 |
7 | 34164506332 |
oct | 7463304665 |
9 | 2562447331 |
10 | 1020103093 |
11 | 483904609 |
12 | 245769531 |
13 | 1334584c9 |
14 | 996a1989 |
15 | 5e852b7d |
hex | 3ccd89b5 |
1020103093 has 4 divisors (see below), whose sum is σ = 1029130668. Its totient is φ = 1011075520.
The previous prime is 1020103067. The next prime is 1020103127. The reversal of 1020103093 is 3903010201.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3903010201 = 131 ⋅29793971.
It can be written as a sum of positive squares in 2 ways, for example, as 213656689 + 806446404 = 14617^2 + 28398^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1020103093 is a prime.
It is a super-2 number, since 2×10201030932 = 2081220640696333298, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 1020103093.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1020103193) 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, 4513618 + ... + 4513843.
It is an arithmetic number, because the mean of its divisors is an integer number (257282667).
Almost surely, 21020103093 is an apocalyptic number.
It is an amenable number.
1020103093 is a deficient number, since it is larger than the sum of its proper divisors (9027575).
1020103093 is an equidigital number, since it uses as much as digits as its factorization.
1020103093 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9027574.
The product of its (nonzero) digits is 162, while the sum is 19.
The square root of 1020103093 is about 31939.0527880837. The cubic root of 1020103093 is about 1006.6566220630.
Adding to 1020103093 its reverse (3903010201), we get a palindrome (4923113294).
The spelling of 1020103093 in words is "one billion, twenty million, one hundred three thousand, ninety-three".
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