Base | Representation |
---|---|
bin | 11100001110110010… |
… | …111110000011000001 |
3 | 2220020120021122002112 |
4 | 130032302332003001 |
5 | 444040112412231 |
6 | 21531533025105 |
7 | 2122120235324 |
oct | 341662760301 |
9 | 86216248075 |
10 | 30313013441 |
11 | 119459a6727 |
12 | 5a5b925195 |
13 | 2b2119b259 |
14 | 1677c487bb |
15 | bc635892b |
hex | 70ecbe0c1 |
30313013441 has 4 divisors (see below), whose sum is σ = 30327582084. Its totient is φ = 30298444800.
The previous prime is 30313013411. The next prime is 30313013447. The reversal of 30313013441 is 14431031303.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14431031303 = 13 ⋅1110079331.
It can be written as a sum of positive squares in 2 ways, for example, as 6374425600 + 23938587841 = 79840^2 + 154721^2 .
It is a cyclic number.
It is not a de Polignac number, because 30313013441 - 26 = 30313013377 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (30313013447) 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 3 ways as a sum of consecutive naturals, for example, 7281200 + ... + 7285361.
It is an arithmetic number, because the mean of its divisors is an integer number (7581895521).
Almost surely, 230313013441 is an apocalyptic number.
It is an amenable number.
30313013441 is a deficient number, since it is larger than the sum of its proper divisors (14568643).
30313013441 is a wasteful number, since it uses less digits than its factorization.
30313013441 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14568642.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 30313013441 its reverse (14431031303), we get a palindrome (44744044744).
The spelling of 30313013441 in words is "thirty billion, three hundred thirteen million, thirteen thousand, four hundred forty-one".
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