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3013105213 = 4996038287
BaseRepresentation
bin1011001110011000…
…0101011000111101
321202222200121022101
42303212011120331
522132323331323
61214553145101
7134444654206
oct26346053075
97688617271
103013105213
1113069015a8
127010bb191
133903225c1
142082585ad
151297d1dad
hexb398563d

3013105213 has 4 divisors (see below), whose sum is σ = 3019144000. Its totient is φ = 3007066428.

The previous prime is 3013105201. The next prime is 3013105223. The reversal of 3013105213 is 3125013103.

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: 3125013103 = 6151229723.

It is a cyclic number.

It is not a de Polignac number, because 3013105213 - 25 = 3013105181 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 (3013105223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3018645 + ... + 3019642.

It is an arithmetic number, because the mean of its divisors is an integer number (754786000).

Almost surely, 23013105213 is an apocalyptic number.

It is an amenable number.

3013105213 is a deficient number, since it is larger than the sum of its proper divisors (6038787).

3013105213 is an equidigital number, since it uses as much as digits as its factorization.

3013105213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6038786.

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 3013105213 is about 54891.7590627227. The cubic root of 3013105213 is about 1444.3466294221.

Adding to 3013105213 its reverse (3125013103), we get a palindrome (6138118316).

The spelling of 3013105213 in words is "three billion, thirteen million, one hundred five thousand, two hundred thirteen".

Divisors: 1 499 6038287 3013105213