Base | Representation |
---|---|
bin | 100100100000110… |
… | …0000100001100010 |
3 | 10011101022011100002 |
4 | 1021001200201202 |
5 | 10002113212010 |
6 | 321322500002 |
7 | 42234310535 |
oct | 11101404142 |
9 | 3141264302 |
10 | 1225132130 |
11 | 5796119a2 |
12 | 2a2364602 |
13 | 166a83871 |
14 | b89d2a1c |
15 | 728521a5 |
hex | 49060862 |
1225132130 has 8 divisors (see below), whose sum is σ = 2205237852. Its totient is φ = 490052848.
The previous prime is 1225132093. The next prime is 1225132133. The reversal of 1225132130 is 312315221.
It can be written as a sum of positive squares in 2 ways, for example, as 1216126129 + 9006001 = 34873^2 + 3001^2 .
It is a sphenic number, since it is the product of 3 distinct primes.
It is not an unprimeable number, because it can be changed into a prime (1225132133) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61256597 + ... + 61256616.
Almost surely, 21225132130 is an apocalyptic number.
1225132130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
1225132130 is a deficient number, since it is larger than the sum of its proper divisors (980105722).
1225132130 is a wasteful number, since it uses less digits than its factorization.
1225132130 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 122513220.
The product of its (nonzero) digits is 360, while the sum is 20.
The square root of 1225132130 is about 35001.8875205324. The cubic root of 1225132130 is about 1070.0259492353.
Adding to 1225132130 its reverse (312315221), we get a palindrome (1537447351).
The spelling of 1225132130 in words is "one billion, two hundred twenty-five million, one hundred thirty-two thousand, one hundred thirty".
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