Base | Representation |
---|---|
bin | 1110111110011100… |
… | …1010011100111101 |
3 | 101101011101020011122 |
4 | 3233213022130331 |
5 | 31213111133203 |
6 | 1502523000325 |
7 | 201422420666 |
oct | 35747123475 |
9 | 11334336148 |
10 | 4020021053 |
11 | 1783219354 |
12 | 9423690a5 |
13 | 4c0b115a9 |
14 | 2a1c8636d |
15 | 187dcc538 |
hex | ef9ca73d |
4020021053 has 2 divisors, whose sum is σ = 4020021054. Its totient is φ = 4020021052.
The previous prime is 4020021001. The next prime is 4020021067. The reversal of 4020021053 is 3501200204.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 2901653689 + 1118367364 = 53867^2 + 33442^2 .
It is a cyclic number.
It is not a de Polignac number, because 4020021053 - 26 = 4020020989 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (4020021353) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2010010526 + 2010010527.
It is an arithmetic number, because the mean of its divisors is an integer number (2010010527).
Almost surely, 24020021053 is an apocalyptic number.
It is an amenable number.
4020021053 is a deficient number, since it is larger than the sum of its proper divisors (1).
4020021053 is an equidigital number, since it uses as much as digits as its factorization.
4020021053 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 4020021053 is about 63403.6359604085. The cubic root of 4020021053 is about 1590.0450988619.
Adding to 4020021053 its reverse (3501200204), we get a palindrome (7521221257).
The spelling of 4020021053 in words is "four billion, twenty million, twenty-one thousand, fifty-three".
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