Base | Representation |
---|---|
bin | 1100110010010101… |
… | …11011001111111111 |
3 | 122201102020012110021 |
4 | 12121022323033333 |
5 | 103024333323341 |
6 | 3053103153011 |
7 | 332054242123 |
oct | 63112731777 |
9 | 18642205407 |
10 | 6864745471 |
11 | 2a02a73971 |
12 | 13b6ba5767 |
13 | 85529a88c |
14 | 4919cd583 |
15 | 2a29ed9d1 |
hex | 1992bb3ff |
6864745471 has 8 divisors (see below), whose sum is σ = 6980691600. Its totient is φ = 6748909440.
The previous prime is 6864745427. The next prime is 6864745483. The reversal of 6864745471 is 1745474686.
6864745471 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 6864745471 - 219 = 6864221183 is a prime.
It is a super-3 number, since 3×68647454713 (a number of 30 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6864745421) 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, 103440 + ... + 156298.
It is an arithmetic number, because the mean of its divisors is an integer number (872586450).
Almost surely, 26864745471 is an apocalyptic number.
6864745471 is a gapful number since it is divisible by the number (61) formed by its first and last digit.
6864745471 is a deficient number, since it is larger than the sum of its proper divisors (115946129).
6864745471 is a wasteful number, since it uses less digits than its factorization.
6864745471 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 55049.
The product of its digits is 4515840, while the sum is 52.
The square root of 6864745471 is about 82853.7595465649. The cubic root of 6864745471 is about 1900.5303663441.
The spelling of 6864745471 in words is "six billion, eight hundred sixty-four million, seven hundred forty-five thousand, four hundred seventy-one".
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