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30320440001 = 42417149361
BaseRepresentation
bin11100001111001111…
…010011001011000001
32220021002020221102022
4130033033103023001
5444044013040001
621532400131225
72122240326155
oct341717231301
986232227368
1030320440001
111194a109385
125a62306b15
132b2289b677
141678c1d065
15bc6d2411b
hex70f3d32c1

30320440001 has 4 divisors (see below), whose sum is σ = 30327593604. Its totient is φ = 30313286400.

The previous prime is 30320439991. The next prime is 30320440009. The reversal of 30320440001 is 10004402303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26569000000 + 3751440001 = 163000^2 + 61249^2 .

It is a cyclic number.

It is not a de Polignac number, because 30320440001 - 218 = 30320177857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30320440009) 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, 3570440 + ... + 3578921.

It is an arithmetic number, because the mean of its divisors is an integer number (7581898401).

Almost surely, 230320440001 is an apocalyptic number.

It is an amenable number.

30320440001 is a deficient number, since it is larger than the sum of its proper divisors (7153603).

30320440001 is an equidigital number, since it uses as much as digits as its factorization.

30320440001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7153602.

The product of its (nonzero) digits is 288, while the sum is 17.

Adding to 30320440001 its reverse (10004402303), we get a palindrome (40324842304).

The spelling of 30320440001 in words is "thirty billion, three hundred twenty million, four hundred forty thousand, one".

Divisors: 1 4241 7149361 30320440001