Base | Representation |
---|---|
bin | 1100010001101… |
… | …11000101010001 |
3 | 21011210020022201 |
4 | 12020313011101 |
5 | 202331023230 |
6 | 14115203201 |
7 | 2360236630 |
oct | 610670521 |
9 | 234706281 |
10 | 102986065 |
11 | 53150a56 |
12 | 2a5a6501 |
13 | 1844aa00 |
14 | d96b517 |
15 | 90945ca |
hex | 6237151 |
102986065 has 48 divisors (see below), whose sum is σ = 159798528. Its totient is φ = 62270208.
The previous prime is 102986057. The next prime is 102986087. The reversal of 102986065 is 560689201.
It is not a de Polignac number, because 102986065 - 23 = 102986057 is a prime.
It is a super-2 number, since 2×1029860652 = 21212259168368450, which contains 22 as substring.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135667 + ... + 136423.
It is an arithmetic number, because the mean of its divisors is an integer number (3329136).
Almost surely, 2102986065 is an apocalyptic number.
It is an amenable number.
102986065 is a deficient number, since it is larger than the sum of its proper divisors (56812463).
102986065 is a wasteful number, since it uses less digits than its factorization.
102986065 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 818 (or 805 counting only the distinct ones).
The product of its (nonzero) digits is 25920, while the sum is 37.
The square root of 102986065 is about 10148.2050136958. The cubic root of 102986065 is about 468.7336743351.
The spelling of 102986065 in words is "one hundred two million, nine hundred eighty-six thousand, sixty-five".
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