Search a number
-
+
30030210213 = 310010070071
BaseRepresentation
bin11011111101111100…
…001010010010100101
32212111212010201222220
4123331330022102211
5443000213211323
621443511342553
72112114401163
oct337574122245
985455121886
1030030210213
11118102a8453
1259a1081a59
132aa7711973
14164c470233
15bab5e50e3
hex6fdf0a4a5

30030210213 has 4 divisors (see below), whose sum is σ = 40040280288. Its totient is φ = 20020140140.

The previous prime is 30030210187. The next prime is 30030210227. The reversal of 30030210213 is 31201203003.

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.

It is a cyclic number.

It is not a de Polignac number, because 30030210213 - 29 = 30030209701 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30030210192 and 30030210201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30030210233) 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, 5005035033 + ... + 5005035038.

It is an arithmetic number, because the mean of its divisors is an integer number (10010070072).

Almost surely, 230030210213 is an apocalyptic number.

It is an amenable number.

30030210213 is a deficient number, since it is larger than the sum of its proper divisors (10010070075).

30030210213 is a wasteful number, since it uses less digits than its factorization.

30030210213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10010070074.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30030210213 its reverse (31201203003), we get a palindrome (61231413216).

The spelling of 30030210213 in words is "thirty billion, thirty million, two hundred ten thousand, two hundred thirteen".

Divisors: 1 3 10010070071 30030210213