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12013403533 = 58272061679
BaseRepresentation
bin10110011000000110…
…11111110110001101
31011000020100010112121
423030003133312031
5144100412403113
65304024532541
7603463150045
oct131403376615
934006303477
1012013403533
11510528697a
1223b3321151
131195b78601
1481d70a725
154a4a1be8d
hex2cc0dfd8d

12013403533 has 4 divisors (see below), whose sum is σ = 12015471040. Its totient is φ = 12011336028.

The previous prime is 12013403513. The next prime is 12013403609. The reversal of 12013403533 is 33530431021.

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, and also an emirpimes, since its reverse is a distinct semiprime: 33530431021 = 231457844827.

It is a cyclic number.

It is not a de Polignac number, because 12013403533 - 229 = 11476532621 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12013403498 and 12013403507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12013403513) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1025013 + ... + 1036666.

It is an arithmetic number, because the mean of its divisors is an integer number (3003867760).

Almost surely, 212013403533 is an apocalyptic number.

It is an amenable number.

12013403533 is a deficient number, since it is larger than the sum of its proper divisors (2067507).

12013403533 is an equidigital number, since it uses as much as digits as its factorization.

12013403533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2067506.

The product of its (nonzero) digits is 3240, while the sum is 25.

Adding to 12013403533 its reverse (33530431021), we get a palindrome (45543834554).

The spelling of 12013403533 in words is "twelve billion, thirteen million, four hundred three thousand, five hundred thirty-three".

Divisors: 1 5827 2061679 12013403533