Base | Representation |
---|---|
bin | 10010111001001100… |
… | …00010011101100101 |
3 | 222011220121121200122 |
4 | 21130212002131211 |
5 | 131233203110041 |
6 | 4354304251325 |
7 | 506235363653 |
oct | 113446023545 |
9 | 28156547618 |
10 | 10143410021 |
11 | 4335766098 |
12 | 1b71010b45 |
13 | c5861c984 |
14 | 6c3213dd3 |
15 | 3e5789c4b |
hex | 25c982765 |
10143410021 has 4 divisors (see below), whose sum is σ = 10584427872. Its totient is φ = 9702392172.
The previous prime is 10143409981. The next prime is 10143410059. The reversal of 10143410021 is 12001434101.
It is a happy number.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12001434101 = 3121 ⋅3845381.
It is a cyclic number.
It is not a de Polignac number, because 10143410021 - 218 = 10143147877 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10143410821) 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, 220508891 + ... + 220508936.
It is an arithmetic number, because the mean of its divisors is an integer number (2646106968).
Almost surely, 210143410021 is an apocalyptic number.
It is an amenable number.
10143410021 is a deficient number, since it is larger than the sum of its proper divisors (441017851).
10143410021 is an equidigital number, since it uses as much as digits as its factorization.
10143410021 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 441017850.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 10143410021 its reverse (12001434101), we get a palindrome (22144844122).
The spelling of 10143410021 in words is "ten billion, one hundred forty-three million, four hundred ten thousand, twenty-one".
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