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1330535205 = 325109271261
BaseRepresentation
bin100111101001110…
…0101101100100101
310102201122012011200
41033103211230211
510211104111310
6340005553113
744654235246
oct11723455445
93381565150
101330535205
1162306387a
12311715799
1318286974c
14c89ccccd
157bc229c0
hex4f4e5b25

1330535205 has 24 divisors (see below), whose sum is σ = 2327427960. Its totient is φ = 703105920.

The previous prime is 1330535201. The next prime is 1330535231. The reversal of 1330535205 is 5025350331.

1330535205 is a `hidden beast` number, since 1 + 3 + 305 + 352 + 0 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 298391076 + 1032144129 = 17274^2 + 32127^2 .

It is not a de Polignac number, because 1330535205 - 22 = 1330535201 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330535201) 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 23 ways as a sum of consecutive naturals, for example, 130726 + ... + 140535.

It is an arithmetic number, because the mean of its divisors is an integer number (96976165).

Almost surely, 21330535205 is an apocalyptic number.

1330535205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1330535205 is a deficient number, since it is larger than the sum of its proper divisors (996892755).

1330535205 is a wasteful number, since it uses less digits than its factorization.

1330535205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271381 (or 271378 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 27.

The square root of 1330535205 is about 36476.5020938138. The cubic root of 1330535205 is about 1099.8719423929.

Adding to 1330535205 its reverse (5025350331), we get a palindrome (6355885536).

The spelling of 1330535205 in words is "one billion, three hundred thirty million, five hundred thirty-five thousand, two hundred five".

Divisors: 1 3 5 9 15 45 109 327 545 981 1635 4905 271261 813783 1356305 2441349 4068915 12206745 29567449 88702347 147837245 266107041 443511735 1330535205