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1338675917 = 10128874591
BaseRepresentation
bin100111111001010…
…1001001011001101
310110021221210010112
41033302221023031
510220200112132
6340500245405
745113362145
oct11762511315
93407853115
101338675917
11627714037
123143a0865
13184459c37
14c9b0b925
157c7ceab2
hex4fca92cd

1338675917 has 8 divisors (see below), whose sum is σ = 1352692992. Its totient is φ = 1324674000.

The previous prime is 1338675907. The next prime is 1338675929. The reversal of 1338675917 is 7195768331.

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 1338675917 - 210 = 1338674893 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 (1338675907) 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 7 ways as a sum of consecutive naturals, for example, 289292 + ... + 293882.

It is an arithmetic number, because the mean of its divisors is an integer number (169086624).

Almost surely, 21338675917 is an apocalyptic number.

It is an amenable number.

1338675917 is a deficient number, since it is larger than the sum of its proper divisors (14017075).

1338675917 is a wasteful number, since it uses less digits than its factorization.

1338675917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7579.

The product of its digits is 952560, while the sum is 50.

The square root of 1338675917 is about 36587.9203699800. The cubic root of 1338675917 is about 1102.1105257154.

The spelling of 1338675917 in words is "one billion, three hundred thirty-eight million, six hundred seventy-five thousand, nine hundred seventeen".

Divisors: 1 101 2887 4591 291587 463691 13254217 1338675917