Search a number
-
+
3013020001 = 3781432973
BaseRepresentation
bin1011001110010111…
…0000100101100001
321202222112021102101
42303211300211201
522132313120001
61214551250401
7134444150605
oct26345604541
97688467371
103013020001
111306853582
12701079a01
133902c2894
14208235505
151297b6a01
hexb3970961

3013020001 has 4 divisors (see below), whose sum is σ = 3094453012. Its totient is φ = 2931586992.

The previous prime is 3013019993. The next prime is 3013020037. The reversal of 3013020001 is 1000203103.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1000203103 = 6191615837.

It can be written as a sum of positive squares in 2 ways, for example, as 2065611601 + 947408400 = 45449^2 + 30780^2 .

It is a cyclic number.

It is not a de Polignac number, because 3013020001 - 23 = 3013019993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3013020001.

It is not an unprimeable number, because it can be changed into a prime (3013020071) 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, 40716450 + ... + 40716523.

It is an arithmetic number, because the mean of its divisors is an integer number (773613253).

Almost surely, 23013020001 is an apocalyptic number.

It is an amenable number.

3013020001 is a deficient number, since it is larger than the sum of its proper divisors (81433011).

3013020001 is an equidigital number, since it uses as much as digits as its factorization.

3013020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81433010.

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

The square root of 3013020001 is about 54890.9828751499. The cubic root of 3013020001 is about 1444.3330136983. Note that the first 3 decimals are identical.

Adding to 3013020001 its reverse (1000203103), we get a palindrome (4013223104).

The spelling of 3013020001 in words is "three billion, thirteen million, twenty thousand, one".

Divisors: 1 37 81432973 3013020001