Base | Representation |
---|---|
bin | 1101001101010001… |
… | …01001111111100001 |
3 | 200022011021222111012 |
4 | 12212220221333201 |
5 | 104010201033123 |
6 | 3131333030305 |
7 | 340466320214 |
oct | 64650517741 |
9 | 20264258435 |
10 | 7090642913 |
11 | 3009534a72 |
12 | 145a785395 |
13 | 8900216c3 |
14 | 4b39d377b |
15 | 2b7771378 |
hex | 1a6a29fe1 |
7090642913 has 2 divisors, whose sum is σ = 7090642914. Its totient is φ = 7090642912.
The previous prime is 7090642907. The next prime is 7090642957. The reversal of 7090642913 is 3192460907.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 3985144384 + 3105498529 = 63128^2 + 55727^2 .
It is a cyclic number.
It is not a de Polignac number, because 7090642913 - 26 = 7090642849 is a prime.
It is a Sophie Germain prime.
It is a Curzon number.
It is not a weakly prime, because it can be changed into another prime (7090648913) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3545321456 + 3545321457.
It is an arithmetic number, because the mean of its divisors is an integer number (3545321457).
Almost surely, 27090642913 is an apocalyptic number.
It is an amenable number.
7090642913 is a deficient number, since it is larger than the sum of its proper divisors (1).
7090642913 is an equidigital number, since it uses as much as digits as its factorization.
7090642913 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 81648, while the sum is 41.
The square root of 7090642913 is about 84205.9553297746. The cubic root of 7090642913 is about 1921.1526384254.
The spelling of 7090642913 in words is "seven billion, ninety million, six hundred forty-two thousand, nine hundred thirteen".
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