Search a number
-
+
12132031033 = 109111303037
BaseRepresentation
bin10110100110010000…
…00001101000111001
31011022111120000212201
423103020001220321
5144321244443113
65323503310201
7606433363603
oct132310015071
934274500781
1012132031033
115166240531
122426bab361
1311b46118b5
1483138a173
154b0150cdd
hex2d3201a39

12132031033 has 4 divisors (see below), whose sum is σ = 12243334180. Its totient is φ = 12020727888.

The previous prime is 12132031001. The next prime is 12132031039. The reversal of 12132031033 is 33013023121.

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 9030320784 + 3101710249 = 95028^2 + 55693^2 .

It is a cyclic number.

It is not a de Polignac number, because 12132031033 - 25 = 12132031001 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 12132031033.

It is not an unprimeable number, because it can be changed into a prime (12132031039) 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, 55651410 + ... + 55651627.

It is an arithmetic number, because the mean of its divisors is an integer number (3060833545).

Almost surely, 212132031033 is an apocalyptic number.

It is an amenable number.

12132031033 is a deficient number, since it is larger than the sum of its proper divisors (111303147).

12132031033 is a wasteful number, since it uses less digits than its factorization.

12132031033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111303146.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 12132031033 its reverse (33013023121), we get a palindrome (45145054154).

The spelling of 12132031033 in words is "twelve billion, one hundred thirty-two million, thirty-one thousand, thirty-three".

Divisors: 1 109 111303037 12132031033