Base | Representation |
---|---|
bin | 11100000011011010… |
… | …011001000111010101 |
3 | 2212202020220020011202 |
4 | 130003122121013111 |
5 | 443142214140313 |
6 | 21500551242245 |
7 | 2114310646115 |
oct | 340332310725 |
9 | 85666806152 |
10 | 30122021333 |
11 | 11858106508 |
12 | 5a07979385 |
13 | 2ac0749081 |
14 | 165a72d045 |
15 | bb46cd558 |
hex | 7036991d5 |
30122021333 has 4 divisors (see below), whose sum is σ = 30324182700. Its totient is φ = 29919859968.
The previous prime is 30122021309. The next prime is 30122021341. The reversal of 30122021333 is 33312022103.
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 6749115409 + 23372905924 = 82153^2 + 152882^2 .
It is a cyclic number.
It is not a de Polignac number, because 30122021333 - 28 = 30122021077 is a prime.
It is a super-3 number, since 3×301220213333 (a number of 32 digits) contains 333 as substring.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30122221333) 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, 101080460 + ... + 101080757.
It is an arithmetic number, because the mean of its divisors is an integer number (7581045675).
Almost surely, 230122021333 is an apocalyptic number.
It is an amenable number.
30122021333 is a deficient number, since it is larger than the sum of its proper divisors (202161367).
30122021333 is a wasteful number, since it uses less digits than its factorization.
30122021333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 202161366.
The product of its (nonzero) digits is 648, while the sum is 20.
Adding to 30122021333 its reverse (33312022103), we get a palindrome (63434043436).
The spelling of 30122021333 in words is "thirty billion, one hundred twenty-two million, twenty-one thousand, three hundred thirty-three".
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