Base | Representation |
---|---|
bin | 100111001100111… |
… | …1100100110000010 |
3 | 10101200012111101012 |
4 | 1032121330212002 |
5 | 10143222042032 |
6 | 334310040522 |
7 | 44411632160 |
oct | 11631744602 |
9 | 3350174335 |
10 | 1315424642 |
11 | 615583004 |
12 | 308649142 |
13 | 17c6a899c |
14 | c69b8230 |
15 | 7a73a6b2 |
hex | 4e67c982 |
1315424642 has 8 divisors (see below), whose sum is σ = 2255013696. Its totient is φ = 563753412.
The previous prime is 1315424611. The next prime is 1315424651. The reversal of 1315424642 is 2464245131.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 1315424599 and 1315424608.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46979438 + ... + 46979465.
It is an arithmetic number, because the mean of its divisors is an integer number (281876712).
Almost surely, 21315424642 is an apocalyptic number.
1315424642 is a deficient number, since it is larger than the sum of its proper divisors (939589054).
1315424642 is an equidigital number, since it uses as much as digits as its factorization.
1315424642 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 93958912.
The product of its digits is 23040, while the sum is 32.
The square root of 1315424642 is about 36268.7832991403. The cubic root of 1315424642 is about 1095.6924213933.
Adding to 1315424642 its reverse (2464245131), we get a palindrome (3779669773).
The spelling of 1315424642 in words is "one billion, three hundred fifteen million, four hundred twenty-four thousand, six hundred forty-two".
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