Base | Representation |
---|---|
bin | 1100111011111011… |
… | …11101011111100000 |
3 | 122221000200101101211 |
4 | 12131331331133200 |
5 | 103210434422424 |
6 | 3105100235504 |
7 | 334052335213 |
oct | 63575753740 |
9 | 18830611354 |
10 | 6945232864 |
11 | 2a44448279 |
12 | 1419b3bb94 |
13 | 868b6ba5b |
14 | 49c58177a |
15 | 2a9aebb94 |
hex | 19df7d7e0 |
6945232864 has 96 divisors (see below), whose sum is σ = 14295536640. Its totient is φ = 3319100928.
The previous prime is 6945232859. The next prime is 6945232867. The reversal of 6945232864 is 4682325496.
It is a happy number.
Its product of digits (2488320) is a multiple of the sum of its prime factors (720).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (6945232867) 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, 15820357 + ... + 15820795.
It is an arithmetic number, because the mean of its divisors is an integer number (148911840).
Almost surely, 26945232864 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 6945232864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7147768320).
6945232864 is an abundant number, since it is smaller than the sum of its proper divisors (7350303776).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
6945232864 is a wasteful number, since it uses less digits than its factorization.
6945232864 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 720 (or 712 counting only the distinct ones).
The product of its digits is 2488320, while the sum is 49.
The square root of 6945232864 is about 83338.0637164075. The cubic root of 6945232864 is about 1907.9292693975.
The spelling of 6945232864 in words is "six billion, nine hundred forty-five million, two hundred thirty-two thousand, eight hundred sixty-four".
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