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1330450505 = 5307866743
BaseRepresentation
bin100111101001101…
…0001000001001001
310102201110212222122
41033103101001021
510211043404010
6340004101025
744653433306
oct11723210111
93381425878
101330450505
1162300617a
12311694775
1318283a027
14c89aa0ad
157bc07855
hex4f4d1049

1330450505 has 8 divisors (see below), whose sum is σ = 1601742912. Its totient is φ = 1060892208.

The previous prime is 1330450501. The next prime is 1330450523. The reversal of 1330450505 is 5050540331.

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 1330450505 - 22 = 1330450501 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1330450501) 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 7 ways as a sum of consecutive naturals, for example, 431837 + ... + 434906.

It is an arithmetic number, because the mean of its divisors is an integer number (200217864).

Almost surely, 21330450505 is an apocalyptic number.

It is an amenable number.

1330450505 is a deficient number, since it is larger than the sum of its proper divisors (271292407).

1330450505 is an equidigital number, since it uses as much as digits as its factorization.

1330450505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867055.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 1330450505 is about 36475.3410539230. The cubic root of 1330450505 is about 1099.8486031306.

Adding to 1330450505 its reverse (5050540331), we get a palindrome (6380990836).

The spelling of 1330450505 in words is "one billion, three hundred thirty million, four hundred fifty thousand, five hundred five".

Divisors: 1 5 307 1535 866743 4333715 266090101 1330450505