Base | Representation |
---|---|
bin | 1101000111010101… |
… | …01010110010000101 |
3 | 200011200120200002000 |
4 | 12203222222302011 |
5 | 103404423320124 |
6 | 3122353335513 |
7 | 336323066535 |
oct | 64352526205 |
9 | 20150520060 |
10 | 7040838789 |
11 | 2a93408436 |
12 | 1445b67599 |
13 | 8829044ca |
14 | 4ab14b4c5 |
15 | 2b31d46c9 |
hex | 1a3aaac85 |
7040838789 has 16 divisors (see below), whose sum is σ = 10556548800. Its totient is φ = 4637338128.
The previous prime is 7040838781. The next prime is 7040838803. The reversal of 7040838789 is 9878380407.
It is not a de Polignac number, because 7040838789 - 23 = 7040838781 is a prime.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7040838781) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1568674 + ... + 1573155.
It is an arithmetic number, because the mean of its divisors is an integer number (659784300).
Almost surely, 27040838789 is an apocalyptic number.
It is an amenable number.
7040838789 is a deficient number, since it is larger than the sum of its proper divisors (3515710011).
7040838789 is a wasteful number, since it uses less digits than its factorization.
7040838789 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3141921 (or 3141915 counting only the distinct ones).
The product of its (nonzero) digits is 2709504, while the sum is 54.
The square root of 7040838789 is about 83909.7061668077. The cubic root of 7040838789 is about 1916.6440570423.
The spelling of 7040838789 in words is "seven billion, forty million, eight hundred thirty-eight thousand, seven hundred eighty-nine".
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