Base | Representation |
---|---|
bin | 1101001111001100… |
… | …10100111001100101 |
3 | 200100021201022210122 |
4 | 12213212110321211 |
5 | 104023320400240 |
6 | 3133111331325 |
7 | 341053612031 |
oct | 64746247145 |
9 | 20307638718 |
10 | 7106809445 |
11 | 301767713a |
12 | 1464080b45 |
13 | 893491cb8 |
14 | 4b5c011c1 |
15 | 2b8db64b5 |
hex | 1a7994e65 |
7106809445 has 16 divisors (see below), whose sum is σ = 8902396800. Its totient is φ = 5436154944.
The previous prime is 7106809441. The next prime is 7106809459. The reversal of 7106809445 is 5449086017.
It is a cyclic number.
It is not a de Polignac number, because 7106809445 - 22 = 7106809441 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 7106809396 and 7106809405.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (7106809441) 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, 329606 + ... + 350504.
It is an arithmetic number, because the mean of its divisors is an integer number (556399800).
Almost surely, 27106809445 is an apocalyptic number.
It is an amenable number.
7106809445 is a deficient number, since it is larger than the sum of its proper divisors (1795587355).
7106809445 is a wasteful number, since it uses less digits than its factorization.
7106809445 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23884.
The product of its (nonzero) digits is 241920, while the sum is 44.
The square root of 7106809445 is about 84301.8946702860. The cubic root of 7106809445 is about 1922.6115941069.
The spelling of 7106809445 in words is "seven billion, one hundred six million, eight hundred nine thousand, four hundred forty-five".
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