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1338060413 = 3187341981
BaseRepresentation
bin100111111000001…
…0010111001111101
310110020210111211002
41033300102321331
510220020413123
6340435140045
745105216524
oct11760227175
93406714732
101338060413
11627333658
12314144625
131842a2a31
14c99cb4bb
157c70c528
hex4fc12e7d

1338060413 has 4 divisors (see below), whose sum is σ = 1338134268. Its totient is φ = 1337986560.

The previous prime is 1338060401. The next prime is 1338060431. The reversal of 1338060413 is 3140608331.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 129663769 + 1208396644 = 11387^2 + 34762^2 .

It is a cyclic number.

It is not a de Polignac number, because 1338060413 - 210 = 1338059389 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 (1338065413) 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, 10883 + ... + 52863.

It is an arithmetic number, because the mean of its divisors is an integer number (334533567).

Almost surely, 21338060413 is an apocalyptic number.

It is an amenable number.

1338060413 is a deficient number, since it is larger than the sum of its proper divisors (73855).

1338060413 is an equidigital number, since it uses as much as digits as its factorization.

1338060413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73854.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 1338060413 is about 36579.5081022148. The cubic root of 1338060413 is about 1101.9415882799.

Adding to 1338060413 its reverse (3140608331), we get a palindrome (4478668744).

The spelling of 1338060413 in words is "one billion, three hundred thirty-eight million, sixty thousand, four hundred thirteen".

Divisors: 1 31873 41981 1338060413