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12432004111 = 56532199187
BaseRepresentation
bin10111001010000000…
…10101010000001111
31012002102000020120201
423211000111100033
5200430043112421
65413340554331
7620035201642
oct134500252017
935072006521
1012432004111
1152aa5a676a
1224ab5529a7
131231800367
1485d153a59
154cb656b91
hex2e501540f

12432004111 has 4 divisors (see below), whose sum is σ = 12434208952. Its totient is φ = 12429799272.

The previous prime is 12432004099. The next prime is 12432004129. The reversal of 12432004111 is 11140023421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11140023421 = 31135820011.

It is a cyclic number.

It is not a de Polignac number, because 12432004111 - 29 = 12432003599 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12432004141) 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, 1093941 + ... + 1105246.

It is an arithmetic number, because the mean of its divisors is an integer number (3108552238).

Almost surely, 212432004111 is an apocalyptic number.

12432004111 is a deficient number, since it is larger than the sum of its proper divisors (2204841).

12432004111 is an equidigital number, since it uses as much as digits as its factorization.

12432004111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204840.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 12432004111 its reverse (11140023421), we get a palindrome (23572027532).

The spelling of 12432004111 in words is "twelve billion, four hundred thirty-two million, four thousand, one hundred eleven".

Divisors: 1 5653 2199187 12432004111