Base | Representation |
---|---|
bin | 100010110001101110… |
… | …0100001100011001100 |
3 | 21010202202222200012012 |
4 | 1011203130201203030 |
5 | 2210422303201433 |
6 | 54150413000352 |
7 | 5252465612552 |
oct | 1054334414314 |
9 | 233682880165 |
10 | 74682865868 |
11 | 29744592556 |
12 | 125831830b8 |
13 | 70726895c0 |
14 | 3886923bd2 |
15 | 1e217c1848 |
hex | 11637218cc |
74682865868 has 24 divisors (see below), whose sum is σ = 140774244240. Its totient is φ = 34462704960.
The previous prime is 74682865867. The next prime is 74682865871. The reversal of 74682865868 is 86856828647.
It is a junction number, because it is equal to n+sod(n) for n = 74682865798 and 74682865807.
It is not an unprimeable number, because it can be changed into a prime (74682865867) 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, 161543 + ... + 418881.
It is an arithmetic number, because the mean of its divisors is an integer number (5865593510).
Almost surely, 274682865868 is an apocalyptic number.
It is an amenable number.
74682865868 is a deficient number, since it is larger than the sum of its proper divisors (66091378372).
74682865868 is a wasteful number, since it uses less digits than its factorization.
74682865868 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 262937 (or 262935 counting only the distinct ones).
The product of its digits is 247726080, while the sum is 68.
The spelling of 74682865868 in words is "seventy-four billion, six hundred eighty-two million, eight hundred sixty-five thousand, eight hundred sixty-eight".
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