Base | Representation |
---|---|
bin | 1000100100101000… |
… | …0010101110111001 |
3 | 12221100221120011200 |
4 | 2021022002232321 |
5 | 14203041024400 |
6 | 1020200444413 |
7 | 111011060040 |
oct | 21112025671 |
9 | 5840846150 |
10 | 2301111225 |
11 | a80a0aa16 |
12 | 542779709 |
13 | 2a8973b9a |
14 | 17b87b557 |
15 | d7040b00 |
hex | 89282bb9 |
2301111225 has 72 divisors (see below), whose sum is σ = 4718156352. Its totient is φ = 1050192000.
The previous prime is 2301111221. The next prime is 2301111247. The reversal of 2301111225 is 5221111032.
It is not a de Polignac number, because 2301111225 - 22 = 2301111221 is a prime.
It is a super-2 number, since 2×23011112252 = 10590225739642001250, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 2301111198 and 2301111207.
It is not an unprimeable number, because it can be changed into a prime (2301111221) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1768075 + ... + 1769375.
Almost surely, 22301111225 is an apocalyptic number.
2301111225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2301111225 is an abundant number, since it is smaller than the sum of its proper divisors (2417045127).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2301111225 is a wasteful number, since it uses less digits than its factorization.
2301111225 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2447 (or 2439 counting only the distinct ones).
The product of its (nonzero) digits is 120, while the sum is 18.
The square root of 2301111225 is about 47969.8991556163. The cubic root of 2301111225 is about 1320.2186707290.
Adding to 2301111225 its reverse (5221111032), we get a palindrome (7522222257).
It can be divided in two parts, 2301 and 111225, that added together give a triangular number (113526 = T476).
The spelling of 2301111225 in words is "two billion, three hundred one million, one hundred eleven thousand, two hundred twenty-five".
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