Base | Representation |
---|---|
bin | 11100000100100110… |
… | …101001001010110001 |
3 | 2212210122111202111222 |
4 | 130010212221022301 |
5 | 443212323310113 |
6 | 21502543514425 |
7 | 2114642600162 |
oct | 340446511261 |
9 | 85718452458 |
10 | 30142010033 |
11 | 118684192a3 |
12 | 5a125b8a15 |
13 | 2ac49272c5 |
14 | 165d253769 |
15 | bb632ae08 |
hex | 7049a92b1 |
30142010033 has 4 divisors (see below), whose sum is σ = 30163045668. Its totient is φ = 30120974400.
The previous prime is 30142010023. The next prime is 30142010081. The reversal of 30142010033 is 33001024103.
It is a happy number.
It is a semiprime because it is the product of two primes.
It can be written as a sum of positive squares in 2 ways, for example, as 20744064784 + 9397945249 = 144028^2 + 96943^2 .
It is a cyclic number.
It is not a de Polignac number, because 30142010033 - 26 = 30142009969 is a prime.
It is a super-2 number, since 2×301420100332 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 30142009993 and 30142010020.
It is not an unprimeable number, because it can be changed into a prime (30142010023) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10515668 + ... + 10518533.
It is an arithmetic number, because the mean of its divisors is an integer number (7540761417).
Almost surely, 230142010033 is an apocalyptic number.
It is an amenable number.
30142010033 is a deficient number, since it is larger than the sum of its proper divisors (21035635).
30142010033 is a wasteful number, since it uses less digits than its factorization.
30142010033 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 21035634.
The product of its (nonzero) digits is 216, while the sum is 17.
Adding to 30142010033 its reverse (33001024103), we get a palindrome (63143034136).
The spelling of 30142010033 in words is "thirty billion, one hundred forty-two million, ten thousand, thirty-three".
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