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1244124133 = 7177732019
BaseRepresentation
bin100101000100111…
…1101001111100101
310012201001001110121
41022021331033211
510021443433013
6323241521541
742554611030
oct11211751745
93181031417
101244124133
1158930396a
122a87a32b1
1316a9a3235
14bb338017
157435458d
hex4a27d3e5

1244124133 has 4 divisors (see below), whose sum is σ = 1421856160. Its totient is φ = 1066392108.

The previous prime is 1244124109. The next prime is 1244124179. The reversal of 1244124133 is 3314214421.

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.

It is a cyclic number.

It is not a de Polignac number, because 1244124133 - 213 = 1244115941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1244124098 and 1244124107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244124103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88866003 + ... + 88866016.

It is an arithmetic number, because the mean of its divisors is an integer number (355464040).

Almost surely, 21244124133 is an apocalyptic number.

It is an amenable number.

1244124133 is a deficient number, since it is larger than the sum of its proper divisors (177732027).

1244124133 is an equidigital number, since it uses as much as digits as its factorization.

1244124133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177732026.

The product of its digits is 2304, while the sum is 25.

The square root of 1244124133 is about 35272.1438673637. The cubic root of 1244124133 is about 1075.5268037771.

Adding to 1244124133 its reverse (3314214421), we get a palindrome (4558338554).

The spelling of 1244124133 in words is "one billion, two hundred forty-four million, one hundred twenty-four thousand, one hundred thirty-three".

Divisors: 1 7 177732019 1244124133