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12032131033 = 13925548541
BaseRepresentation
bin10110011010010101…
…11011111111011001
31011001112120120211201
423031022323333121
5144120211143113
65305534154201
7604111266136
oct131512737731
934045516751
1012032131033
11511490814a
1223b9652961
131199a04780
14821dc358d
154a64bacdd
hex2cd2bbfd9

12032131033 has 4 divisors (see below), whose sum is σ = 12957679588. Its totient is φ = 11106582480.

The previous prime is 12032130949. The next prime is 12032131039. The reversal of 12032131033 is 33013123021.

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 3145863744 + 8886267289 = 56088^2 + 94267^2 .

It is a cyclic number.

It is not a de Polignac number, because 12032131033 - 29 = 12032130521 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 12032131033.

It is not an unprimeable number, because it can be changed into a prime (12032131039) 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, 462774258 + ... + 462774283.

It is an arithmetic number, because the mean of its divisors is an integer number (3239419897).

Almost surely, 212032131033 is an apocalyptic number.

12032131033 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

12032131033 is a deficient number, since it is larger than the sum of its proper divisors (925548555).

12032131033 is an equidigital number, since it uses as much as digits as its factorization.

12032131033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 925548554.

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

Adding to 12032131033 its reverse (33013123021), we get a palindrome (45045254054).

The spelling of 12032131033 in words is "twelve billion, thirty-two million, one hundred thirty-one thousand, thirty-three".

Divisors: 1 13 925548541 12032131033