Base | Representation |
---|---|
bin | 101111100010111110… |
… | …0100011011101001001 |
3 | 100202112220000021022122 |
4 | 1133011330203131021 |
5 | 3133102414430400 |
6 | 114523445301025 |
7 | 10243156106462 |
oct | 1370574433511 |
9 | 322486007278 |
10 | 102105233225 |
11 | 3a336818a76 |
12 | 17956a04775 |
13 | 9822a10588 |
14 | 4d288add69 |
15 | 29c8e87685 |
hex | 17c5f23749 |
102105233225 has 24 divisors (see below), whose sum is σ = 128545960032. Its totient is φ = 80439004800.
The previous prime is 102105233221. The next prime is 102105233273. The reversal of 102105233225 is 522332501201.
It is a happy number.
It is not a de Polignac number, because 102105233225 - 22 = 102105233221 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 102105233194 and 102105233203.
It is not an unprimeable number, because it can be changed into a prime (102105233221) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1129970 + ... + 1216980.
It is an arithmetic number, because the mean of its divisors is an integer number (5356081668).
Almost surely, 2102105233225 is an apocalyptic number.
It is an amenable number.
102105233225 is a deficient number, since it is larger than the sum of its proper divisors (26440726807).
102105233225 is an equidigital number, since it uses as much as digits as its factorization.
102105233225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87737 (or 87732 counting only the distinct ones).
The product of its (nonzero) digits is 3600, while the sum is 26.
Adding to 102105233225 its reverse (522332501201), we get a palindrome (624437734426).
The spelling of 102105233225 in words is "one hundred two billion, one hundred five million, two hundred thirty-three thousand, two hundred twenty-five".
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