Base | Representation |
---|---|
bin | 11011111101111111… |
… | …100100010010011101 |
3 | 2212111220211002212000 |
4 | 123331333210102131 |
5 | 443000430300013 |
6 | 21443542432513 |
7 | 2112125110353 |
oct | 337577442235 |
9 | 85456732760 |
10 | 30031103133 |
11 | 118108582a9 |
12 | 59a1432739 |
13 | 2aa7965215 |
14 | 164c6237d3 |
15 | bab71e973 |
hex | 6fdfe449d |
30031103133 has 32 divisors (see below), whose sum is σ = 45054443520. Its totient is φ = 19768477680.
The previous prime is 30031103083. The next prime is 30031103257. The reversal of 30031103133 is 33130113003.
It is not a de Polignac number, because 30031103133 - 217 = 30030972061 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30031003133) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 702766 + ... + 744272.
It is an arithmetic number, because the mean of its divisors is an integer number (1407951360).
Almost surely, 230031103133 is an apocalyptic number.
It is an amenable number.
30031103133 is a deficient number, since it is larger than the sum of its proper divisors (15023340387).
30031103133 is a wasteful number, since it uses less digits than its factorization.
30031103133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 41854 (or 41848 counting only the distinct ones).
The product of its (nonzero) digits is 243, while the sum is 18.
Adding to 30031103133 its reverse (33130113003), we get a palindrome (63161216136).
The spelling of 30031103133 in words is "thirty billion, thirty-one million, one hundred three thousand, one hundred thirty-three".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.066 sec. • engine limits •