Search a number
-
+
30111033133 = 73940745647
BaseRepresentation
bin11100000010110000…
…011110011100101101
32212201111012222012101
4130002300132130231
5443131411030013
621455515535101
72114115362416
oct340260363455
985644188171
1030111033133
1111851990955
125a0415a491
132abb39c78c
1416590ac80d
15bb375c8dd
hex702c1e72d

30111033133 has 4 divisors (see below), whose sum is σ = 30151779520. Its totient is φ = 30070286748.

The previous prime is 30111033109. The next prime is 30111033143. The reversal of 30111033133 is 33133011103.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 30111033133 - 229 = 29574162221 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 30111033133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30111033143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20372085 + ... + 20373562.

It is an arithmetic number, because the mean of its divisors is an integer number (7537944880).

Almost surely, 230111033133 is an apocalyptic number.

It is an amenable number.

30111033133 is a deficient number, since it is larger than the sum of its proper divisors (40746387).

30111033133 is an equidigital number, since it uses as much as digits as its factorization.

30111033133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40746386.

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 30111033133 its reverse (33133011103), we get a palindrome (63244044236).

The spelling of 30111033133 in words is "thirty billion, one hundred eleven million, thirty-three thousand, one hundred thirty-three".

Divisors: 1 739 40745647 30111033133