Base | Representation |
---|---|
bin | 1101011101111010… |
… | …00110111011001111 |
3 | 200122212221100001011 |
4 | 12232331012323033 |
5 | 104301414101111 |
6 | 3153240430051 |
7 | 344112605344 |
oct | 65675067317 |
9 | 20585840034 |
10 | 7230222031 |
11 | 30802a990a |
12 | 1499478327 |
13 | 8b2c122b6 |
14 | 4c83687cb |
15 | 2c4b43021 |
hex | 1aef46ecf |
7230222031 has 4 divisors (see below), whose sum is σ = 7231060000. Its totient is φ = 7229384064.
The previous prime is 7230222011. The next prime is 7230222061. The reversal of 7230222031 is 1302220327.
7230222031 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 7230222031 - 27 = 7230221903 is a prime.
It is a super-2 number, since 2×72302220312 (a number of 21 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 7230221993 and 7230222011.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7230222011) 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, 405906 + ... + 423343.
It is an arithmetic number, because the mean of its divisors is an integer number (1807765000).
Almost surely, 27230222031 is an apocalyptic number.
7230222031 is a deficient number, since it is larger than the sum of its proper divisors (837969).
7230222031 is an equidigital number, since it uses as much as digits as its factorization.
7230222031 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 837968.
The product of its (nonzero) digits is 1008, while the sum is 22.
The square root of 7230222031 is about 85030.7122809165. The cubic root of 7230222031 is about 1933.6767616793.
Adding to 7230222031 its reverse (1302220327), we get a palindrome (8532442358).
The spelling of 7230222031 in words is "seven billion, two hundred thirty million, two hundred twenty-two thousand, thirty-one".
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