Base | Representation |
---|---|
bin | 100110110001011… |
… | …1011010000100000 |
3 | 10100200001201012102 |
4 | 1031202323100200 |
5 | 10131024014443 |
6 | 333032545532 |
7 | 44145220361 |
oct | 11542732040 |
9 | 3320051172 |
10 | 1301001248 |
11 | 608421548 |
12 | 3038522a8 |
13 | 1796c8931 |
14 | c4b01b68 |
15 | 7933bcb8 |
hex | 4d8bb420 |
1301001248 has 72 divisors (see below), whose sum is σ = 2695234500. Its totient is φ = 617422848.
The previous prime is 1301001209. The next prime is 1301001257. The reversal of 1301001248 is 8421001031.
It can be written as a sum of positive squares in 6 ways, for example, as 330803344 + 970197904 = 18188^2 + 31148^2 .
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8731478 + ... + 8731626.
Almost surely, 21301001248 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 1301001248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1347617250).
1301001248 is an abundant number, since it is smaller than the sum of its proper divisors (1394233252).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1301001248 is an equidigital number, since it uses as much as digits as its factorization.
1301001248 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 382 (or 277 counting only the distinct ones).
The product of its (nonzero) digits is 192, while the sum is 20.
The square root of 1301001248 is about 36069.3948937323. The cubic root of 1301001248 is about 1091.6730047324.
Adding to 1301001248 its reverse (8421001031), we get a palindrome (9722002279).
The spelling of 1301001248 in words is "one billion, three hundred one million, one thousand, two hundred forty-eight".
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