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3030113213 = 20871451899
BaseRepresentation
bin1011010010011011…
…1101101110111101
321211011200200220022
42310212331232331
522201202110323
61220401501525
7135042352211
oct26446755675
97734620808
103030113213
1113154689a6
127069418a5
133939c8bca
1420a604941
1512b0414c8
hexb49bdbbd

3030113213 has 4 divisors (see below), whose sum is σ = 3031567200. Its totient is φ = 3028659228.

The previous prime is 3030113189. The next prime is 3030113231. The reversal of 3030113213 is 3123110303.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3123110303 = 8935091127.

It is a cyclic number.

It is not a de Polignac number, because 3030113213 - 220 = 3029064637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3030113191 and 3030113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3030116213) 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, 723863 + ... + 728036.

It is an arithmetic number, because the mean of its divisors is an integer number (757891800).

Almost surely, 23030113213 is an apocalyptic number.

It is an amenable number.

3030113213 is a deficient number, since it is larger than the sum of its proper divisors (1453987).

3030113213 is a wasteful number, since it uses less digits than its factorization.

3030113213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1453986.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 3030113213 is about 55046.4641280437. The cubic root of 3030113213 is about 1447.0591545217.

Adding to 3030113213 its reverse (3123110303), we get a palindrome (6153223516).

The spelling of 3030113213 in words is "three billion, thirty million, one hundred thirteen thousand, two hundred thirteen".

Divisors: 1 2087 1451899 3030113213