Search a number
-
+
30013001313 = 310004333771
BaseRepresentation
bin11011111100111010…
…100000111001100001
32212110122202102211020
4123330322200321201
5442431312020223
621442054440053
72111515205361
oct337472407141
985418672736
1030013001313
1111801614119
125997363029
132aa3c97a99
14164a0709a1
15ba9d461e3
hex6fcea0e61

30013001313 has 4 divisors (see below), whose sum is σ = 40017335088. Its totient is φ = 20008667540.

The previous prime is 30013001309. The next prime is 30013001321. The reversal of 30013001313 is 31310031003.

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: 31310031003 = 310436677001.

It is a cyclic number.

It is not a de Polignac number, because 30013001313 - 22 = 30013001309 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30013001292 and 30013001301.

It is not an unprimeable number, because it can be changed into a prime (30013001303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5002166883 + ... + 5002166888.

It is an arithmetic number, because the mean of its divisors is an integer number (10004333772).

Almost surely, 230013001313 is an apocalyptic number.

It is an amenable number.

30013001313 is a deficient number, since it is larger than the sum of its proper divisors (10004333775).

30013001313 is a wasteful number, since it uses less digits than its factorization.

30013001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10004333774.

The product of its (nonzero) digits is 81, while the sum is 15.

Adding to 30013001313 its reverse (31310031003), we get a palindrome (61323032316).

The spelling of 30013001313 in words is "thirty billion, thirteen million, one thousand, three hundred thirteen".

Divisors: 1 3 10004333771 30013001313