Base | Representation |
---|---|
bin | 1100110011001010… |
… | …11110110100001010 |
3 | 122201220022212201121 |
4 | 12121211132310022 |
5 | 103033124110030 |
6 | 3053512305454 |
7 | 332200354606 |
oct | 63145366412 |
9 | 18656285647 |
10 | 6871706890 |
11 | 2a06999104 |
12 | 13b93a228a |
13 | 856867369 |
14 | 4928c2506 |
15 | 2a342647a |
hex | 19995ed0a |
6871706890 has 16 divisors (see below), whose sum is σ = 12795592680. Its totient is φ = 2653900480.
The previous prime is 6871706873. The next prime is 6871706929. The reversal of 6871706890 is 986071786.
It can be written as a sum of positive squares in 4 ways, for example, as 6436692441 + 435014449 = 80229^2 + 20857^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11847481 + ... + 11848060.
Almost surely, 26871706890 is an apocalyptic number.
6871706890 is a deficient number, since it is larger than the sum of its proper divisors (5923885790).
6871706890 is a wasteful number, since it uses less digits than its factorization.
6871706890 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 23695577.
The product of its (nonzero) digits is 1016064, while the sum is 52.
The square root of 6871706890 is about 82895.7591798278. The cubic root of 6871706890 is about 1901.1725809045.
The spelling of 6871706890 in words is "six billion, eight hundred seventy-one million, seven hundred six thousand, eight hundred ninety".
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