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1330243013 = 11172418447
BaseRepresentation
bin100111101001001…
…1110010111000101
310102201002100100202
41033102132113011
510211020234023
6335555420245
744651610341
oct11722362705
93381070322
101330243013
116229842a0
123115b4685
13182796758
14c8954621
157bbb6128
hex4f49e5c5

1330243013 has 12 divisors (see below), whose sum is σ = 1541562432. Its totient is φ = 1138173120.

The previous prime is 1330242997. The next prime is 1330243049. The reversal of 1330243013 is 3103420331.

It is not a de Polignac number, because 1330243013 - 24 = 1330242997 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 (1330243063) 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 11 ways as a sum of consecutive naturals, for example, 206045 + ... + 212402.

It is an arithmetic number, because the mean of its divisors is an integer number (128463536).

Almost surely, 21330243013 is an apocalyptic number.

It is an amenable number.

1330243013 is a deficient number, since it is larger than the sum of its proper divisors (211319419).

1330243013 is a wasteful number, since it uses less digits than its factorization.

1330243013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418492 (or 418475 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 1330243013 is about 36472.4966652956. The cubic root of 1330243013 is about 1099.7914240899.

Adding to 1330243013 its reverse (3103420331), we get a palindrome (4433663344).

The spelling of 1330243013 in words is "one billion, three hundred thirty million, two hundred forty-three thousand, thirteen".

Divisors: 1 11 17 187 289 3179 418447 4602917 7113599 78249589 120931183 1330243013