Base | Representation |
---|---|
bin | 1001001011111011101101… |
… | …01110111100010100110101 |
3 | 2122112012212222102201020002 |
4 | 10211331312232330110311 |
5 | 10121434101120212133 |
6 | 110544151441521045 |
7 | 4153330100053436 |
oct | 445756656742465 |
9 | 78465788381202 |
10 | 20201223210293 |
11 | 6489321948234 |
12 | 2323170943185 |
13 | b36c75b62a88 |
14 | 4dba5c99148d |
15 | 2507308ccce8 |
hex | 125f76bbc535 |
20201223210293 has 8 divisors (see below), whose sum is σ = 20402692837536. Its totient is φ = 19999782162000.
The previous prime is 20201223210277. The next prime is 20201223210299. The reversal of 20201223210293 is 39201232210202.
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 20201223210293 - 24 = 20201223210277 is a prime.
It is a super-2 number, since 2×202012232102932 (a number of 27 digits) contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20201223210299) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5722571 + ... + 8552792.
It is an arithmetic number, because the mean of its divisors is an integer number (2550336604692).
Almost surely, 220201223210293 is an apocalyptic number.
It is an amenable number.
20201223210293 is a deficient number, since it is larger than the sum of its proper divisors (201469627243).
20201223210293 is a wasteful number, since it uses less digits than its factorization.
20201223210293 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 14289475.
The product of its (nonzero) digits is 5184, while the sum is 29.
Adding to 20201223210293 its reverse (39201232210202), we get a palindrome (59402455420495).
The spelling of 20201223210293 in words is "twenty trillion, two hundred one billion, two hundred twenty-three million, two hundred ten thousand, two hundred ninety-three".
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