Base | Representation |
---|---|
bin | 1110101101000010… |
… | …10010000000000101 |
3 | 202101010222120012011 |
4 | 13112201102000011 |
5 | 112131332003010 |
6 | 3343152054221 |
7 | 366423012631 |
oct | 72641220005 |
9 | 22333876164 |
10 | 7894016005 |
11 | 3390a6a077 |
12 | 1643834371 |
13 | 98a5b59b5 |
14 | 54c599dc1 |
15 | 313062a8a |
hex | 1d6852005 |
7894016005 has 8 divisors (see below), whose sum is σ = 9473368824. Its totient is φ = 6314846400.
The previous prime is 7894015999. The next prime is 7894016017. The reversal of 7894016005 is 5006104987.
7894016005 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 4 ways, for example, as 8398404 + 7885617601 = 2898^2 + 88801^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 7894016005 - 211 = 7894013957 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80815 + ... + 149395.
It is an arithmetic number, because the mean of its divisors is an integer number (1184171103).
Almost surely, 27894016005 is an apocalyptic number.
It is an amenable number.
7894016005 is a deficient number, since it is larger than the sum of its proper divisors (1579352819).
7894016005 is a wasteful number, since it uses less digits than its factorization.
7894016005 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 91607.
The product of its (nonzero) digits is 60480, while the sum is 40.
The square root of 7894016005 is about 88848.2751942884. The cubic root of 7894016005 is about 1991.1287086927.
The spelling of 7894016005 in words is "seven billion, eight hundred ninety-four million, sixteen thousand, five".
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