Base | Representation |
---|---|
bin | 100110110001101… |
… | …1111110111111001 |
3 | 10100200100022221010 |
4 | 1031203133313321 |
5 | 10131043314400 |
6 | 333040104133 |
7 | 44146413543 |
oct | 11543376771 |
9 | 3320308833 |
10 | 1301151225 |
11 | 6085141a0 |
12 | 303905049 |
13 | 17974bc8a |
14 | c4b40693 |
15 | 7936b450 |
hex | 4d8dfdf9 |
1301151225 has 24 divisors (see below), whose sum is σ = 2346805152. Its totient is φ = 630860800.
The previous prime is 1301151221. The next prime is 1301151283. The reversal of 1301151225 is 5221511031.
It is not a de Polignac number, because 1301151225 - 22 = 1301151221 is a prime.
It is not an unprimeable number, because it can be changed into a prime (1301151221) 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, 787752 + ... + 789401.
It is an arithmetic number, because the mean of its divisors is an integer number (97783548).
Almost surely, 21301151225 is an apocalyptic number.
1301151225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1301151225 is a deficient number, since it is larger than the sum of its proper divisors (1045653927).
1301151225 is a wasteful number, since it uses less digits than its factorization.
1301151225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1577177 (or 1577172 counting only the distinct ones).
The product of its (nonzero) digits is 300, while the sum is 21.
The square root of 1301151225 is about 36071.4738401413. The cubic root of 1301151225 is about 1091.7149517973.
Adding to 1301151225 its reverse (5221511031), we get a palindrome (6522662256).
The spelling of 1301151225 in words is "one billion, three hundred one million, one hundred fifty-one thousand, two hundred twenty-five".
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