Base | Representation |
---|---|
bin | 111101011001001… |
… | …100000111101101 |
3 | 2122210011002210020 |
4 | 331121030013231 |
5 | 4102140412141 |
6 | 250112432353 |
7 | 34344653403 |
oct | 7531140755 |
9 | 2583132706 |
10 | 1030013421 |
11 | 489463368 |
12 | 248b486b9 |
13 | 1355182c8 |
14 | 9ab21473 |
15 | 6065e266 |
hex | 3d64c1ed |
1030013421 has 8 divisors (see below), whose sum is σ = 1373616864. Its totient is φ = 686542800.
The previous prime is 1030013407. The next prime is 1030013423. The reversal of 1030013421 is 1243100301.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 1030013421 - 27 = 1030013293 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 1030013421.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1030013423) 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 7 ways as a sum of consecutive naturals, for example, 13426 + ... + 47331.
It is an arithmetic number, because the mean of its divisors is an integer number (171702108).
Almost surely, 21030013421 is an apocalyptic number.
It is an amenable number.
1030013421 is a deficient number, since it is larger than the sum of its proper divisors (343603443).
1030013421 is an equidigital number, since it uses as much as digits as its factorization.
1030013421 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66411.
The product of its (nonzero) digits is 72, while the sum is 15.
The square root of 1030013421 is about 32093.8221625284. The cubic root of 1030013421 is about 1009.9060204030.
Adding to 1030013421 its reverse (1243100301), we get a palindrome (2273113722).
The spelling of 1030013421 in words is "one billion, thirty million, thirteen thousand, four hundred twenty-one".
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