Search a number
-
+
30013022323 = 82936203887
BaseRepresentation
bin11011111100111010…
…100110000001110011
32212110122210111122101
4123330322212001303
5442431313203243
621442055121231
72111515323544
oct337472460163
985418714571
1030013022323
1111801628989
125997373217
132aa3ca450b
14164a0784cb
15ba9d4c54d
hex6fcea6073

30013022323 has 4 divisors (see below), whose sum is σ = 30049227040. Its totient is φ = 29976817608.

The previous prime is 30013022257. The next prime is 30013022327. The reversal of 30013022323 is 32322031003.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30013022323 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 30013022323.

It is not an unprimeable number, because it can be changed into a prime (30013022327) 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, 18101115 + ... + 18102772.

It is an arithmetic number, because the mean of its divisors is an integer number (7512306760).

Almost surely, 230013022323 is an apocalyptic number.

30013022323 is a deficient number, since it is larger than the sum of its proper divisors (36204717).

30013022323 is an equidigital number, since it uses as much as digits as its factorization.

30013022323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36204716.

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 30013022323 its reverse (32322031003), we get a palindrome (62335053326).

The spelling of 30013022323 in words is "thirty billion, thirteen million, twenty-two thousand, three hundred twenty-three".

Divisors: 1 829 36203887 30013022323