Search a number
-
+
30320120003 = 62874822669
BaseRepresentation
bin11100001111001110…
…000101000011000011
32220021001122200110112
4130033032011003003
5444043422320003
621532345221535
72122234524215
oct341716050303
986231580415
1030320120003
1111949a0aa18
125a621918ab
132b227b8b14
141678b785b5
15bc6cae3d8
hex70f3850c3

30320120003 has 4 divisors (see below), whose sum is σ = 30324948960. Its totient is φ = 30315291048.

The previous prime is 30320119987. The next prime is 30320120021. The reversal of 30320120003 is 30002102303.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30002102303 = 38977126227.

It is a cyclic number.

It is not a de Polignac number, because 30320120003 - 24 = 30320119987 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 30320120003.

It is not an unprimeable number, because it can be changed into a prime (30320120063) 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, 2405048 + ... + 2417621.

It is an arithmetic number, because the mean of its divisors is an integer number (7581237240).

Almost surely, 230320120003 is an apocalyptic number.

30320120003 is a deficient number, since it is larger than the sum of its proper divisors (4828957).

30320120003 is an equidigital number, since it uses as much as digits as its factorization.

30320120003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4828956.

The product of its (nonzero) digits is 108, while the sum is 14.

Adding to 30320120003 its reverse (30002102303), we get a palindrome (60322222306).

The spelling of 30320120003 in words is "thirty billion, three hundred twenty million, one hundred twenty thousand, three".

Divisors: 1 6287 4822669 30320120003