Base | Representation |
---|---|
bin | 10011101011100100… |
… | …010101110001110101 |
3 | 2000112201122221000112 |
4 | 103223210111301311 |
5 | 321234300310313 |
6 | 13412524552405 |
7 | 1345446246644 |
oct | 235344256165 |
9 | 60481587015 |
10 | 21132041333 |
11 | 8a64539477 |
12 | 41190b2705 |
13 | 1cba096790 |
14 | 10467a535b |
15 | 83a3308a8 |
hex | 4eb915c75 |
21132041333 has 16 divisors (see below), whose sum is σ = 23226134400. Its totient is φ = 19106128704.
The previous prime is 21132041263. The next prime is 21132041419. The reversal of 21132041333 is 33314023112.
It is not a de Polignac number, because 21132041333 - 224 = 21115264117 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 21132041299 and 21132041308.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (21132040333) 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 15 ways as a sum of consecutive naturals, for example, 387110 + ... + 438312.
It is an arithmetic number, because the mean of its divisors is an integer number (1451633400).
Almost surely, 221132041333 is an apocalyptic number.
It is an amenable number.
21132041333 is a deficient number, since it is larger than the sum of its proper divisors (2094093067).
21132041333 is a wasteful number, since it uses less digits than its factorization.
21132041333 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51868.
The product of its (nonzero) digits is 1296, while the sum is 23.
Adding to 21132041333 its reverse (33314023112), we get a palindrome (54446064445).
The spelling of 21132041333 in words is "twenty-one billion, one hundred thirty-two million, forty-one thousand, three hundred thirty-three".
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