Base | Representation |
---|---|
bin | 11100101101011001110… |
… | …00000000011101001100 |
3 | 10111022012020201002100120 |
4 | 32112230320000131030 |
5 | 112130221123430433 |
6 | 2033100133224540 |
7 | 131161045403142 |
oct | 16265470003514 |
9 | 3438166632316 |
10 | 986447873868 |
11 | 350394120a56 |
12 | 13b21b492150 |
13 | 720386c09b2 |
14 | 35a5c637592 |
15 | 1a9d6b017b3 |
hex | e5ace0074c |
986447873868 has 24 divisors (see below), whose sum is σ = 2303603039472. Its totient is φ = 328545767424.
The previous prime is 986447873863. The next prime is 986447873893. The reversal of 986447873868 is 868378744689.
It is a junction number, because it is equal to n+sod(n) for n = 986447873793 and 986447873802.
It is not an unprimeable number, because it can be changed into a prime (986447873863) 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, 33758605 + ... + 33787812.
It is an arithmetic number, because the mean of its divisors is an integer number (95983459978).
Almost surely, 2986447873868 is an apocalyptic number.
It is an amenable number.
986447873868 is an abundant number, since it is smaller than the sum of its proper divisors (1317155165604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
986447873868 is a wasteful number, since it uses less digits than its factorization.
986447873868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 67547641 (or 67547639 counting only the distinct ones).
The product of its digits is 3121348608, while the sum is 78.
The spelling of 986447873868 in words is "nine hundred eighty-six billion, four hundred forty-seven million, eight hundred seventy-three thousand, eight hundred sixty-eight".
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