Base | Representation |
---|---|
bin | 100100100000101… |
… | …1110001000110000 |
3 | 10011101021122220221 |
4 | 1021001132020300 |
5 | 10002112403402 |
6 | 321322342424 |
7 | 42234240166 |
oct | 11101361060 |
9 | 3141248827 |
10 | 1225122352 |
11 | 579605613 |
12 | 2a235aa14 |
13 | 166a7c28c |
14 | b89cd236 |
15 | 7284e337 |
hex | 4905e230 |
1225122352 has 20 divisors (see below), whose sum is σ = 2376149256. Its totient is φ = 611922560.
The previous prime is 1225122317. The next prime is 1225122359. The reversal of 1225122352 is 2532215221.
It is not an unprimeable number, because it can be changed into a prime (1225122359) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23893 + ... + 54964.
Almost surely, 21225122352 is an apocalyptic number.
It is an amenable number.
1225122352 is a deficient number, since it is larger than the sum of its proper divisors (1151026904).
1225122352 is an equidigital number, since it uses as much as digits as its factorization.
1225122352 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 79836 (or 79830 counting only the distinct ones).
The product of its digits is 2400, while the sum is 25.
The square root of 1225122352 is about 35001.7478420721. The cubic root of 1225122352 is about 1070.0231025378.
Adding to 1225122352 its reverse (2532215221), we get a palindrome (3757337573).
The spelling of 1225122352 in words is "one billion, two hundred twenty-five million, one hundred twenty-two thousand, three hundred fifty-two".
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