Base | Representation |
---|---|
bin | 110011110001101… |
… | …000000000111000 |
3 | 2020112111211121221 |
4 | 303301220000320 |
5 | 3234333200333 |
6 | 222110041424 |
7 | 30345243310 |
oct | 6361500070 |
9 | 2215454557 |
10 | 868646968 |
11 | 406368362 |
12 | 202aa9274 |
13 | 10ac698b7 |
14 | 83518440 |
15 | 513d6d2d |
hex | 33c68038 |
868646968 has 16 divisors (see below), whose sum is σ = 1861386480. Its totient is φ = 372277248.
The previous prime is 868646963. The next prime is 868646969. The reversal of 868646968 is 869646868.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (868646963) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7755721 + ... + 7755832.
It is an arithmetic number, because the mean of its divisors is an integer number (116336655).
Almost surely, 2868646968 is an apocalyptic number.
It is an amenable number.
868646968 is an abundant number, since it is smaller than the sum of its proper divisors (992739512).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
868646968 is a wasteful number, since it uses less digits than its factorization.
868646968 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15511566 (or 15511562 counting only the distinct ones).
The product of its digits is 23887872, while the sum is 61.
The square root of 868646968 is about 29472.8174425181. The cubic root of 868646968 is about 954.1451257199.
The spelling of 868646968 in words is "eight hundred sixty-eight million, six hundred forty-six thousand, nine hundred sixty-eight".
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