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30002210041 = 61214901521
BaseRepresentation
bin11011111100010001…
…010110010011111001
32212102220110011222111
4123330101112103321
5442421031210131
621441031252321
72111324402056
oct337421262371
985386404874
1030002210041
11117a6513511
12599381a0a1
132aa198a00b
14164886202d
15ba8e13ab1
hex6fc4564f9

30002210041 has 4 divisors (see below), whose sum is σ = 30007117684. Its totient is φ = 29997302400.

The previous prime is 30002210033. The next prime is 30002210047. The reversal of 30002210041 is 14001220003.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14001220003 = 25155781753.

It can be written as a sum of positive squares in 2 ways, for example, as 3271268025 + 26730942016 = 57195^2 + 163496^2 .

It is a cyclic number.

It is not a de Polignac number, because 30002210041 - 23 = 30002210033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30002210047) 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, 2444640 + ... + 2456881.

It is an arithmetic number, because the mean of its divisors is an integer number (7501779421).

Almost surely, 230002210041 is an apocalyptic number.

It is an amenable number.

30002210041 is a deficient number, since it is larger than the sum of its proper divisors (4907643).

30002210041 is an equidigital number, since it uses as much as digits as its factorization.

30002210041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907642.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 30002210041 its reverse (14001220003), we get a palindrome (44003430044).

The spelling of 30002210041 in words is "thirty billion, two million, two hundred ten thousand, forty-one".

Divisors: 1 6121 4901521 30002210041