Base | Representation |
---|---|
bin | 1001001100001110001000… |
… | …01101111111110000010110 |
3 | 2122120011102020001201222201 |
4 | 10212013010031333300112 |
5 | 10122114324430143110 |
6 | 110552505053115114 |
7 | 4154130140023543 |
oct | 446070415776026 |
9 | 78504366051881 |
10 | 20211113131030 |
11 | 6492537507048 |
12 | 2325070a88a9a |
13 | b37b90abaa93 |
14 | 4dc31a25bbca |
15 | 250b0dc94b3a |
hex | 1261c437fc16 |
20211113131030 has 32 divisors (see below), whose sum is σ = 38295000972000. Its totient is φ = 7658896073472.
The previous prime is 20211113130997. The next prime is 20211113131039. The reversal of 20211113131030 is 3013131111202.
It is a Harshad number since it is a multiple of its sum of digits (19).
It is a junction number, because it is equal to n+sod(n) for n = 20211113130989 and 20211113131007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20211113131039) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38795554 + ... + 39313066.
It is an arithmetic number, because the mean of its divisors is an integer number (1196718780375).
Almost surely, 220211113131030 is an apocalyptic number.
20211113131030 is a deficient number, since it is larger than the sum of its proper divisors (18083887840970).
20211113131030 is a wasteful number, since it uses less digits than its factorization.
20211113131030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 723088.
The product of its (nonzero) digits is 108, while the sum is 19.
Adding to 20211113131030 its reverse (3013131111202), we get a palindrome (23224244242232).
The spelling of 20211113131030 in words is "twenty trillion, two hundred eleven billion, one hundred thirteen million, one hundred thirty-one thousand, thirty".
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