Base | Representation |
---|---|
bin | 1001101001000000010010… |
… | …01010000111100010001101 |
3 | 2210001201012021022222221122 |
4 | 10310200021022013202031 |
5 | 10234320312212022201 |
6 | 113031110324010325 |
7 | 4315441354414550 |
oct | 464401112074215 |
9 | 83051167288848 |
10 | 21200112220301 |
11 | 6833a0a731983 |
12 | 24648828309a5 |
13 | baa214c00591 |
14 | 53413b638697 |
15 | 26b6e483be1b |
hex | 13480928788d |
21200112220301 has 16 divisors (see below), whose sum is σ = 24364615334400. Its totient is φ = 18069592686768.
The previous prime is 21200112220213. The next prime is 21200112220319. The reversal of 21200112220301 is 10302221100212.
It is not a de Polignac number, because 21200112220301 - 210 = 21200112219277 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 21200112220301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21200112220321) 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 15 ways as a sum of consecutive naturals, for example, 62404166 + ... + 62742968.
It is an arithmetic number, because the mean of its divisors is an integer number (1522788458400).
Almost surely, 221200112220301 is an apocalyptic number.
It is an amenable number.
21200112220301 is a deficient number, since it is larger than the sum of its proper divisors (3164503114099).
21200112220301 is a wasteful number, since it uses less digits than its factorization.
21200112220301 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 388928.
The product of its (nonzero) digits is 96, while the sum is 17.
Adding to 21200112220301 its reverse (10302221100212), we get a palindrome (31502333320513).
The spelling of 21200112220301 in words is "twenty-one trillion, two hundred billion, one hundred twelve million, two hundred twenty thousand, three hundred one".
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