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300012013 = 742858859
BaseRepresentation
bin10001111000011…
…101000111101101
3202220112012010001
4101320131013231
51103300341023
645434144301
710302026410
oct2170350755
9686465101
10300012013
11144392514
1284582091
134a203402
142bbb7b77
151b5126ad
hex11e1d1ed

300012013 has 4 divisors (see below), whose sum is σ = 342870880. Its totient is φ = 257153148.

The previous prime is 300012001. The next prime is 300012029. The reversal of 300012013 is 310210003.

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: 310210003 = 760340801.

It is not a de Polignac number, because 300012013 - 25 = 300011981 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 (300012043) 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, 21429423 + ... + 21429436.

It is an arithmetic number, because the mean of its divisors is an integer number (85717720).

Almost surely, 2300012013 is an apocalyptic number.

It is an amenable number.

300012013 is a deficient number, since it is larger than the sum of its proper divisors (42858867).

300012013 is an equidigital number, since it uses as much as digits as its factorization.

300012013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42858866.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 300012013 is about 17320.8548576564. The cubic root of 300012013 is about 669.4418854052.

Adding to 300012013 its reverse (310210003), we get a palindrome (610222016).

The spelling of 300012013 in words is "three hundred million, twelve thousand, thirteen".

Divisors: 1 7 42858859 300012013