Base | Representation |
---|---|
bin | 10010101000000110… |
… | …000100100101100011 |
3 | 1220121211120221200112 |
4 | 102220012010211203 |
5 | 311430002024443 |
6 | 13104330041535 |
7 | 1305422322320 |
oct | 225006044543 |
9 | 56554527615 |
10 | 20000033123 |
11 | 85335519a4 |
12 | 3a61b792ab |
13 | 1b696b9a35 |
14 | d7a2d3b47 |
15 | 7c0c75b18 |
hex | 4a8184963 |
20000033123 has 8 divisors (see below), whose sum is σ = 22858040160. Its totient is φ = 17142240960.
The previous prime is 20000033089. The next prime is 20000033143. The reversal of 20000033123 is 32133000002.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 20000033123 - 220 = 19998984547 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 20000033098 and 20000033107.
It is not an unprimeable number, because it can be changed into a prime (20000033143) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 309353 + ... + 368373.
It is an arithmetic number, because the mean of its divisors is an integer number (2857255020).
Almost surely, 220000033123 is an apocalyptic number.
20000033123 is a deficient number, since it is larger than the sum of its proper divisors (2858007037).
20000033123 is an equidigital number, since it uses as much as digits as its factorization.
20000033123 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 107437.
The product of its (nonzero) digits is 108, while the sum is 14.
Adding to 20000033123 its reverse (32133000002), we get a palindrome (52133033125).
The spelling of 20000033123 in words is "twenty billion, thirty-three thousand, one hundred twenty-three".
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