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1144210009 = 7955726003
BaseRepresentation
bin100010000110011…
…0100001001011001
32221202000220001111
41010030310021121
54320404210014
6305312220321
740232424145
oct10414641131
92852026044
101144210009
11537970a08
1227b23a6a1
1315308c857
14abd6a225
156a6ba2c4
hex44334259

1144210009 has 8 divisors (see below), whose sum is σ = 1160818560. Its totient is φ = 1127654736.

The previous prime is 1144209991. The next prime is 1144210073. The reversal of 1144210009 is 9000124411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1144210009 - 27 = 1144209881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1144210079) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31002 + ... + 57004.

It is an arithmetic number, because the mean of its divisors is an integer number (145102320).

Almost surely, 21144210009 is an apocalyptic number.

It is an amenable number.

1144210009 is a deficient number, since it is larger than the sum of its proper divisors (16608551).

1144210009 is an equidigital number, since it uses as much as digits as its factorization.

1144210009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26639.

The product of its (nonzero) digits is 288, while the sum is 22.

The square root of 1144210009 is about 33826.1734312352. The cubic root of 1144210009 is about 1045.9283003717.

The spelling of 1144210009 in words is "one billion, one hundred forty-four million, two hundred ten thousand, nine".

Divisors: 1 79 557 26003 44003 2054237 14483671 1144210009