Base | Representation |
---|---|
bin | 10010101111011100… |
… | …000101011100101101 |
3 | 1220221102102201200200 |
4 | 102233130011130231 |
5 | 312203022304313 |
6 | 13124450544113 |
7 | 1311446516553 |
oct | 225734053455 |
9 | 56842381620 |
10 | 20123244333 |
11 | 8597057345 |
12 | 3a97298039 |
13 | 1b8909948a |
14 | d8c807bd3 |
15 | 7cb9b2b73 |
hex | 4af70572d |
20123244333 has 24 divisors (see below), whose sum is σ = 30076108920. Its totient is φ = 12949923840.
The previous prime is 20123244329. The next prime is 20123244359. The reversal of 20123244333 is 33344232102.
20123244333 is a `hidden beast` number, since 2 + 0 + 1 + 2 + 324 + 4 + 333 = 666.
It can be written as a sum of positive squares in 4 ways, for example, as 2228028804 + 17895215529 = 47202^2 + 133773^2 .
It is not a de Polignac number, because 20123244333 - 22 = 20123244329 is a prime.
It is a super-2 number, since 2×201232443332 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 20123244297 and 20123244306.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20123244373) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2041585 + ... + 2051417.
It is an arithmetic number, because the mean of its divisors is an integer number (1253171205).
Almost surely, 220123244333 is an apocalyptic number.
It is an amenable number.
20123244333 is a deficient number, since it is larger than the sum of its proper divisors (9952864587).
20123244333 is a wasteful number, since it uses less digits than its factorization.
20123244333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17709 (or 17706 counting only the distinct ones).
The product of its (nonzero) digits is 10368, while the sum is 27.
Adding to 20123244333 its reverse (33344232102), we get a palindrome (53467476435).
The spelling of 20123244333 in words is "twenty billion, one hundred twenty-three million, two hundred forty-four thousand, three hundred thirty-three".
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