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1330120223 = 2053647891
BaseRepresentation
bin100111101001000…
…0000011000011111
310102200212002220222
41033102000120133
510211002321343
6335553031555
744650556345
oct11722003037
93380762828
101330120223
11622900013
123115555bb
131827528b3
14c8921995
157bb8ea68
hex4f48061f

1330120223 has 4 divisors (see below), whose sum is σ = 1330770168. Its totient is φ = 1329470280.

The previous prime is 1330120217. The next prime is 1330120241. The reversal of 1330120223 is 3220210331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1330120223 - 210 = 1330119199 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 (1330120243) 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, 321893 + ... + 325998.

It is an arithmetic number, because the mean of its divisors is an integer number (332692542).

Almost surely, 21330120223 is an apocalyptic number.

1330120223 is a deficient number, since it is larger than the sum of its proper divisors (649945).

1330120223 is an equidigital number, since it uses as much as digits as its factorization.

1330120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649944.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1330120223 is about 36470.8133032429. The cubic root of 1330120223 is about 1099.7575837707.

Adding to 1330120223 its reverse (3220210331), we get a palindrome (4550330554).

The spelling of 1330120223 in words is "one billion, three hundred thirty million, one hundred twenty thousand, two hundred twenty-three".

Divisors: 1 2053 647891 1330120223