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1144330009 = 4724347447
BaseRepresentation
bin100010000110101…
…0001011100011001
32221202020222122221
41010031101130121
54320422030014
6305314544041
740233434044
oct10415213431
92852228587
101144330009
11537a43089
1227b298021
13153102364
14abd9bc5b
156a6e0b24
hex44351719

1144330009 has 4 divisors (see below), whose sum is σ = 1168677504. Its totient is φ = 1119982516.

The previous prime is 1144329997. The next prime is 1144330037. The reversal of 1144330009 is 9000334411.

It is a happy number.

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: 9000334411 = 29310356359.

It is a cyclic number.

It is not a de Polignac number, because 1144330009 - 215 = 1144297241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144330609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12173677 + ... + 12173770.

It is an arithmetic number, because the mean of its divisors is an integer number (292169376).

Almost surely, 21144330009 is an apocalyptic number.

It is an amenable number.

1144330009 is a deficient number, since it is larger than the sum of its proper divisors (24347495).

1144330009 is an equidigital number, since it uses as much as digits as its factorization.

1144330009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24347494.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 1144330009 is about 33827.9471591168. The cubic root of 1144330009 is about 1045.9648633009.

The spelling of 1144330009 in words is "one billion, one hundred forty-four million, three hundred thirty thousand, nine".

Divisors: 1 47 24347447 1144330009