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111424441201 = 831342463147
BaseRepresentation
bin110011111000101101…
…0100000101101110001
3101122121100202002100121
41213301122200231301
53311144124104301
6123104312250241
711023126060153
oct1476132405561
9348540662317
10111424441201
1143289212947
12197179a0981
13a679655418
145570458ad3
152d721b93a1
hex19f16a0b71

111424441201 has 4 divisors (see below), whose sum is σ = 112766904432. Its totient is φ = 110081977972.

The previous prime is 111424441061. The next prime is 111424441231. The reversal of 111424441201 is 102144424111.

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: 102144424111 = 402725364893.

It is a cyclic number.

It is not a de Polignac number, because 111424441201 - 221 = 111422344049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111424441231) 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, 671231491 + ... + 671231656.

It is an arithmetic number, because the mean of its divisors is an integer number (28191726108).

Almost surely, 2111424441201 is an apocalyptic number.

It is an amenable number.

111424441201 is a deficient number, since it is larger than the sum of its proper divisors (1342463231).

111424441201 is an equidigital number, since it uses as much as digits as its factorization.

111424441201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1342463230.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 111424441201 its reverse (102144424111), we get a palindrome (213568865312).

The spelling of 111424441201 in words is "one hundred eleven billion, four hundred twenty-four million, four hundred forty-one thousand, two hundred one".

Divisors: 1 83 1342463147 111424441201