Search a number
-
+
30203100011 = 74314728573
BaseRepresentation
bin11100001000001111…
…101011101101101011
32212221220110110012202
4130020033223231223
5443323443200021
621513005130415
72116314054110
oct341017535553
985856413182
1030203100011
1111899954087
125a2ab59a0b
132b04496416
1416673d6907
15bbb896a0b
hex7083ebb6b

30203100011 has 4 divisors (see below), whose sum is σ = 34517828592. Its totient is φ = 25888371432.

The previous prime is 30203099999. The next prime is 30203100029. The reversal of 30203100011 is 11000130203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11000130203 = 35473101249.

It is not a de Polignac number, because 30203100011 - 210 = 30203098987 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30203099965 and 30203100001.

It is not an unprimeable number, because it can be changed into a prime (30203100911) 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, 2157364280 + ... + 2157364293.

It is an arithmetic number, because the mean of its divisors is an integer number (8629457148).

Almost surely, 230203100011 is an apocalyptic number.

30203100011 is a deficient number, since it is larger than the sum of its proper divisors (4314728581).

30203100011 is an equidigital number, since it uses as much as digits as its factorization.

30203100011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4314728580.

The product of its (nonzero) digits is 18, while the sum is 11.

Adding to 30203100011 its reverse (11000130203), we get a palindrome (41203230214).

The spelling of 30203100011 in words is "thirty billion, two hundred three million, one hundred thousand, eleven".

Divisors: 1 7 4314728573 30203100011