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3030000013 = 23131739131
BaseRepresentation
bin1011010010011010…
…0010000110001101
321211011110221121201
42310212202012031
522201140000023
61220355225501
7135041401165
oct26446420615
97734427551
103030000013
1113153a0947
127068a8291
13393989521
1420a5b55a5
1512b01cbad
hexb49a218d

3030000013 has 4 divisors (see below), whose sum is σ = 3161739168. Its totient is φ = 2898260860.

The previous prime is 3029999971. The next prime is 3030000073. The reversal of 3030000013 is 3100000303.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2k-3030000013 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 (3030000073) 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, 65869543 + ... + 65869588.

It is an arithmetic number, because the mean of its divisors is an integer number (790434792).

Almost surely, 23030000013 is an apocalyptic number.

It is an amenable number.

3030000013 is a deficient number, since it is larger than the sum of its proper divisors (131739155).

3030000013 is a wasteful number, since it uses less digits than its factorization.

3030000013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131739154.

The product of its (nonzero) digits is 27, while the sum is 10.

The square root of 3030000013 is about 55045.4358961758. The cubic root of 3030000013 is about 1447.0411343879.

Adding to 3030000013 its reverse (3100000303), we get a palindrome (6130000316).

The spelling of 3030000013 in words is "three billion, thirty million, thirteen", and thus it is an aban number and an uban number.

Divisors: 1 23 131739131 3030000013