Base | Representation |
---|---|
bin | 100110110010010… |
… | …1101110100111001 |
3 | 10100200221112220220 |
4 | 1031210231310321 |
5 | 10131134024041 |
6 | 333051010253 |
7 | 44152213461 |
oct | 11544556471 |
9 | 3320845826 |
10 | 1301470521 |
11 | 60871207a |
12 | 303a39989 |
13 | 179831400 |
14 | c4bc4ba1 |
15 | 793d0d66 |
hex | 4d92dd39 |
1301470521 has 24 divisors (see below), whose sum is σ = 1882586880. Its totient is φ = 799396416.
The previous prime is 1301470507. The next prime is 1301470537. The reversal of 1301470521 is 1250741031.
It is not a de Polignac number, because 1301470521 - 27 = 1301470393 is a prime.
It is a super-2 number, since 2×13014705212 = 3387651034064022882, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 1301470491 and 1301470500.
It is not an unprimeable number, because it can be changed into a prime (1301470501) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 305635 + ... + 309863.
It is an arithmetic number, because the mean of its divisors is an integer number (78441120).
Almost surely, 21301470521 is an apocalyptic number.
It is an amenable number.
1301470521 is a deficient number, since it is larger than the sum of its proper divisors (581116359).
1301470521 is a wasteful number, since it uses less digits than its factorization.
1301470521 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 4865 (or 4852 counting only the distinct ones).
The product of its (nonzero) digits is 840, while the sum is 24.
The square root of 1301470521 is about 36075.8994482466. The cubic root of 1301470521 is about 1091.8042449558.
The spelling of 1301470521 in words is "one billion, three hundred one million, four hundred seventy thousand, five hundred twenty-one".
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