Base | Representation |
---|---|
bin | 100111111000110… |
… | …0000110000000111 |
3 | 10110021101201012122 |
4 | 1033301200300013 |
5 | 10220111114041 |
6 | 340450040155 |
7 | 45111015245 |
oct | 11761406007 |
9 | 3407351178 |
10 | 1338379271 |
11 | 627531179 |
12 | 31427905b |
13 | 184384bc8 |
14 | c9a71795 |
15 | 7c771c4b |
hex | 4fc60c07 |
1338379271 has 2 divisors, whose sum is σ = 1338379272. Its totient is φ = 1338379270.
The previous prime is 1338379193. The next prime is 1338379291. The reversal of 1338379271 is 1729738331.
It is a strong prime.
It is a cyclic number.
It is not a de Polignac number, because 1338379271 - 214 = 1338362887 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1338379291) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669189635 + 669189636.
It is an arithmetic number, because the mean of its divisors is an integer number (669189636).
Almost surely, 21338379271 is an apocalyptic number.
1338379271 is a deficient number, since it is larger than the sum of its proper divisors (1).
1338379271 is an equidigital number, since it uses as much as digits as its factorization.
1338379271 is an evil number, because the sum of its binary digits is even.
The product of its digits is 190512, while the sum is 44.
The square root of 1338379271 is about 36583.8662664295. The cubic root of 1338379271 is about 1102.0291117284.
The spelling of 1338379271 in words is "one billion, three hundred thirty-eight million, three hundred seventy-nine thousand, two hundred seventy-one".
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