Base | Representation |
---|---|
bin | 11001010001100001111… |
… | …01100110001001100111 |
3 | 10002000111121221000121011 |
4 | 30220300331212021213 |
5 | 103211443120102312 |
6 | 1502534545403051 |
7 | 116511611260312 |
oct | 14506075461147 |
9 | 3060447830534 |
10 | 868404847207 |
11 | 305319995977 |
12 | 120377039487 |
13 | 63b75a97621 |
14 | 30061189979 |
15 | 178c885eda7 |
hex | ca30f66267 |
868404847207 has 6 divisors (see below), whose sum is σ = 922492346648. Its totient is φ = 817322208864.
The previous prime is 868404847183. The next prime is 868404847237. The reversal of 868404847207 is 702748404868.
868404847207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a de Polignac number, because none of the positive numbers 2k-868404847207 is a prime.
It is a super-2 number, since 2×8684048472072 (a number of 25 digits) contains 22 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 (868404847237) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1502430243 + ... + 1502430820.
Almost surely, 2868404847207 is an apocalyptic number.
868404847207 is a deficient number, since it is larger than the sum of its proper divisors (54087499441).
868404847207 is a wasteful number, since it uses less digits than its factorization.
868404847207 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3004861097 (or 3004861080 counting only the distinct ones).
The product of its (nonzero) digits is 19267584, while the sum is 58.
The spelling of 868404847207 in words is "eight hundred sixty-eight billion, four hundred four million, eight hundred forty-seven thousand, two hundred seven".
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