Base | Representation |
---|---|
bin | 11000011100110… |
… | …11101101010110 |
3 | 112021221200011110 |
4 | 30032123231112 |
5 | 410002010402 |
6 | 32204115450 |
7 | 5040256431 |
oct | 1416335526 |
9 | 467850143 |
10 | 205110102 |
11 | a586328a |
12 | 58835b86 |
13 | 33656232 |
14 | 1d352818 |
15 | 1301856c |
hex | c39bb56 |
205110102 has 16 divisors (see below), whose sum is σ = 410618880. Its totient is φ = 68303592.
The previous prime is 205110097. The next prime is 205110107. The reversal of 205110102 is 201011502.
It is an interprime number because it is at equal distance from previous prime (205110097) and next prime (205110107).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (205110107) 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, 9702 + ... + 22457.
It is an arithmetic number, because the mean of its divisors is an integer number (25663680).
Almost surely, 2205110102 is an apocalyptic number.
205110102 is an abundant number, since it is smaller than the sum of its proper divisors (205508778).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
205110102 is a wasteful number, since it uses less digits than its factorization.
205110102 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 33227.
The product of its (nonzero) digits is 20, while the sum is 12.
The square root of 205110102 is about 14321.6654757748. The cubic root of 205110102 is about 589.7423964001.
Adding to 205110102 its reverse (201011502), we get a palindrome (406121604).
The spelling of 205110102 in words is "two hundred five million, one hundred ten thousand, one hundred two".
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