Base | Representation |
---|---|
bin | 1101000111101110… |
… | …10000011111111111 |
3 | 200011220210100010022 |
4 | 12203313100133333 |
5 | 103411244422012 |
6 | 3122552202355 |
7 | 336363123263 |
oct | 64367203777 |
9 | 20156710108 |
10 | 7044139007 |
11 | 2a95261994 |
12 | 14470993bb |
13 | 8834bb6b9 |
14 | 4ab76a0a3 |
15 | 2b3637472 |
hex | 1a3dd07ff |
7044139007 has 4 divisors (see below), whose sum is σ = 7046738160. Its totient is φ = 7041539856.
The previous prime is 7044138973. The next prime is 7044139009. The reversal of 7044139007 is 7009314407.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7009314407 = 653 ⋅10734019.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-7044139007 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 (7044139009) 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, 1295507 + ... + 1300932.
It is an arithmetic number, because the mean of its divisors is an integer number (1761684540).
Almost surely, 27044139007 is an apocalyptic number.
7044139007 is a deficient number, since it is larger than the sum of its proper divisors (2599153).
7044139007 is a wasteful number, since it uses less digits than its factorization.
7044139007 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2599152.
The product of its (nonzero) digits is 21168, while the sum is 35.
The square root of 7044139007 is about 83929.3691564520. The cubic root of 7044139007 is about 1916.9434700043.
The spelling of 7044139007 in words is "seven billion, forty-four million, one hundred thirty-nine thousand, seven".
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