Base | Representation |
---|---|
bin | 111100100001000… |
… | …1001110000111101 |
3 | 12020111221112201021 |
4 | 1321002021300331 |
5 | 13124313414141 |
6 | 533254544141 |
7 | 101214610153 |
oct | 17102116075 |
9 | 5214845637 |
10 | 2030607421 |
11 | 952252457 |
12 | 488068051 |
13 | 26490296b |
14 | 1539853d3 |
15 | bd40b6d1 |
hex | 79089c3d |
2030607421 has 4 divisors (see below), whose sum is σ = 2031549244. Its totient is φ = 2029665600.
The previous prime is 2030607407. The next prime is 2030607427. The reversal of 2030607421 is 1247060302.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1247060302 = 2 ⋅623530151.
It can be written as a sum of positive squares in 2 ways, for example, as 1362643396 + 667964025 = 36914^2 + 25845^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-2030607421 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 (2030607427) 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, 467670 + ... + 471991.
It is an arithmetic number, because the mean of its divisors is an integer number (507887311).
Almost surely, 22030607421 is an apocalyptic number.
It is an amenable number.
2030607421 is a deficient number, since it is larger than the sum of its proper divisors (941823).
2030607421 is an equidigital number, since it uses as much as digits as its factorization.
2030607421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 941822.
The product of its (nonzero) digits is 2016, while the sum is 25.
The square root of 2030607421 is about 45062.2616054720. The cubic root of 2030607421 is about 1266.3156950584.
Adding to 2030607421 its reverse (1247060302), we get a palindrome (3277667723).
The spelling of 2030607421 in words is "two billion, thirty million, six hundred seven thousand, four hundred twenty-one".
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