Base | Representation |
---|---|
bin | 111100110100001… |
… | …011111101010001 |
3 | 2122002220021220010 |
4 | 330310023331101 |
5 | 4042200012200 |
6 | 245124505133 |
7 | 34166343465 |
oct | 7464137521 |
9 | 2562807803 |
10 | 1020313425 |
11 | 483a3863a |
12 | 24584b1a9 |
13 | 133500171 |
14 | 997184a5 |
15 | 5e895150 |
hex | 3cd0bf51 |
1020313425 has 24 divisors (see below), whose sum is σ = 1696364640. Its totient is φ = 541120000.
The previous prime is 1020313403. The next prime is 1020313451. The reversal of 1020313425 is 5243130201.
It is not a de Polignac number, because 1020313425 - 28 = 1020313169 is a prime.
It is an unprimeable number.
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, 24576 + ... + 51425.
It is an arithmetic number, because the mean of its divisors is an integer number (70681860).
Almost surely, 21020313425 is an apocalyptic number.
1020313425 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
1020313425 is a deficient number, since it is larger than the sum of its proper divisors (676051215).
1020313425 is a wasteful number, since it uses less digits than its factorization.
1020313425 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 76193 (or 76188 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 21.
The square root of 1020313425 is about 31942.3453271672. The cubic root of 1020313425 is about 1006.7258038126.
Adding to 1020313425 its reverse (5243130201), we get a palindrome (6263443626).
The spelling of 1020313425 in words is "one billion, twenty million, three hundred thirteen thousand, four hundred twenty-five".
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