Base | Representation |
---|---|
bin | 1111000000110111… |
… | …0010001000000111 |
3 | 101101212102120122210 |
4 | 3300031302020013 |
5 | 31223204120111 |
6 | 1503523554503 |
7 | 201604444653 |
oct | 36015621007 |
9 | 11355376583 |
10 | 4030145031 |
11 | 1788a03680 |
12 | 94582ba33 |
13 | 4c2c47703 |
14 | 2a335da63 |
15 | 188c2c0a6 |
hex | f0372207 |
4030145031 has 16 divisors (see below), whose sum is σ = 6116901120. Its totient is φ = 2336315520.
The previous prime is 4030145027. The next prime is 4030145047. The reversal of 4030145031 is 1305410304.
It is not a de Polignac number, because 4030145031 - 22 = 4030145027 is a prime.
It is a super-2 number, since 2×40301450312 = 32484137941787981922, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 4030144989 and 4030145007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (4030140031) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2654146 + ... + 2655663.
It is an arithmetic number, because the mean of its divisors is an integer number (382306320).
Almost surely, 24030145031 is an apocalyptic number.
4030145031 is a deficient number, since it is larger than the sum of its proper divisors (2086756089).
4030145031 is a wasteful number, since it uses less digits than its factorization.
4030145031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5309846.
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 4030145031 is about 63483.4232772619. The cubic root of 4030145031 is about 1591.3787641120.
Adding to 4030145031 its reverse (1305410304), we get a palindrome (5335555335).
The spelling of 4030145031 in words is "four billion, thirty million, one hundred forty-five thousand, thirty-one".
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