Base | Representation |
---|---|
bin | 110011010110101… |
… | …011111010101100 |
3 | 2020001020001112002 |
4 | 303112223322230 |
5 | 3231031210233 |
6 | 221254431432 |
7 | 30231231551 |
oct | 6326537254 |
9 | 2201201462 |
10 | 861585068 |
11 | 402384683 |
12 | 200662578 |
13 | 109666466 |
14 | 825daa28 |
15 | 5098e6e8 |
hex | 335abeac |
861585068 has 12 divisors (see below), whose sum is σ = 1510167792. Its totient is φ = 430108560.
The previous prime is 861585031. The next prime is 861585073. The reversal of 861585068 is 860585168.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168155 + ... + 173202.
It is an arithmetic number, because the mean of its divisors is an integer number (125847316).
Almost surely, 2861585068 is an apocalyptic number.
It is an amenable number.
861585068 is a deficient number, since it is larger than the sum of its proper divisors (648582724).
861585068 is a wasteful number, since it uses less digits than its factorization.
861585068 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 341992 (or 341990 counting only the distinct ones).
The product of its (nonzero) digits is 460800, while the sum is 47.
The square root of 861585068 is about 29352.7693412393. The cubic root of 861585068 is about 951.5524268424.
The spelling of 861585068 in words is "eight hundred sixty-one million, five hundred eighty-five thousand, sixty-eight".
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