Base | Representation |
---|---|
bin | 100110111100111… |
… | …0101000011010011 |
3 | 10101002100201222202 |
4 | 1031321311003103 |
5 | 10134043131024 |
6 | 333405353415 |
7 | 44250234416 |
oct | 11571650323 |
9 | 3332321882 |
10 | 1307005139 |
11 | 610852340 |
12 | 30586886b |
13 | 17aa1b62b |
14 | c5825b7d |
15 | 79b25bae |
hex | 4de750d3 |
1307005139 has 16 divisors (see below), whose sum is σ = 1450366560. Its totient is φ = 1167893760.
The previous prime is 1307005109. The next prime is 1307005171. The reversal of 1307005139 is 9315007031.
It is not a de Polignac number, because 1307005139 - 224 = 1290227923 is a prime.
It is a super-3 number, since 3×13070051393 (a number of 28 digits) contains 333 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (1307005109) 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 15 ways as a sum of consecutive naturals, for example, 165509 + ... + 173225.
It is an arithmetic number, because the mean of its divisors is an integer number (90647910).
Almost surely, 21307005139 is an apocalyptic number.
1307005139 is a deficient number, since it is larger than the sum of its proper divisors (143361421).
1307005139 is a wasteful number, since it uses less digits than its factorization.
1307005139 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7990.
The product of its (nonzero) digits is 2835, while the sum is 29.
The square root of 1307005139 is about 36152.5260389921. The cubic root of 1307005139 is about 1093.3497208302.
The spelling of 1307005139 in words is "one billion, three hundred seven million, five thousand, one hundred thirty-nine".
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