Search a number
-
+
30132111041 = 53568530397
BaseRepresentation
bin11100000100000000…
…111000011011000001
32212202221212211122122
4130010000320123001
5443202310023131
621501551414025
72114462501144
oct340400703301
985687784578
1030132111041
111186287800a
125a0b224315
132ac286c706
14165bbd805b
15bb5522d7b
hex7040386c1

30132111041 has 4 divisors (see below), whose sum is σ = 30700641492. Its totient is φ = 29563580592.

The previous prime is 30132111007. The next prime is 30132111047. The reversal of 30132111041 is 14011123103.

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 12308793025 + 17823318016 = 110945^2 + 133504^2 .

It is a cyclic number.

It is not a de Polignac number, because 30132111041 - 218 = 30131848897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30132111047) 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, 284265146 + ... + 284265251.

It is an arithmetic number, because the mean of its divisors is an integer number (7675160373).

Almost surely, 230132111041 is an apocalyptic number.

It is an amenable number.

30132111041 is a deficient number, since it is larger than the sum of its proper divisors (568530451).

30132111041 is an equidigital number, since it uses as much as digits as its factorization.

30132111041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568530450.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30132111041 its reverse (14011123103), we get a palindrome (44143234144).

The spelling of 30132111041 in words is "thirty billion, one hundred thirty-two million, one hundred eleven thousand, forty-one".

Divisors: 1 53 568530397 30132111041