Base | Representation |
---|---|
bin | 1100110011001001… |
… | …10111101100101100 |
3 | 122201220000201221110 |
4 | 12121210313230230 |
5 | 103033103443133 |
6 | 3053505032020 |
7 | 332166116520 |
oct | 63144675454 |
9 | 18656021843 |
10 | 6871546668 |
11 | 2a06899798 |
12 | 13b9325610 |
13 | 85680c45c |
14 | 49287dd80 |
15 | 2a33e3c63 |
hex | 199937b2c |
6871546668 has 24 divisors (see below), whose sum is σ = 18324124672. Its totient is φ = 1963299024.
The previous prime is 6871546667. The next prime is 6871546697. The reversal of 6871546668 is 8666451786.
It is a super-2 number, since 2×68715466682 = 94436307221003804448, which contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (6871546663) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40901980 + ... + 40902147.
Almost surely, 26871546668 is an apocalyptic number.
It is an amenable number.
6871546668 is an abundant number, since it is smaller than the sum of its proper divisors (11452578004).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6871546668 is a wasteful number, since it uses less digits than its factorization.
6871546668 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 81804141 (or 81804139 counting only the distinct ones).
The product of its digits is 11612160, while the sum is 57.
The square root of 6871546668 is about 82894.7927677004. The cubic root of 6871546668 is about 1901.1578047581.
The spelling of 6871546668 in words is "six billion, eight hundred seventy-one million, five hundred forty-six thousand, six hundred sixty-eight".
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