Base | Representation |
---|---|
bin | 10011101011100100… |
… | …111101110001011110 |
3 | 2000112201222020201211 |
4 | 103223210331301132 |
5 | 321234321031100 |
6 | 13412532255034 |
7 | 1345450531360 |
oct | 235344756136 |
9 | 60481866654 |
10 | 21132205150 |
11 | 8a64640561 |
12 | 411917147a |
13 | 1cba123204 |
14 | 1046808d30 |
15 | 83a3641ba |
hex | 4eb93dc5e |
21132205150 has 48 divisors (see below), whose sum is σ = 44947551744. Its totient is φ = 7241050080.
The previous prime is 21132205091. The next prime is 21132205187. The reversal of 21132205150 is 5150223112.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 607119 + ... + 640981.
It is an arithmetic number, because the mean of its divisors is an integer number (936407328).
Almost surely, 221132205150 is an apocalyptic number.
21132205150 is an abundant number, since it is smaller than the sum of its proper divisors (23815346594).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21132205150 is a wasteful number, since it uses less digits than its factorization.
21132205150 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35665 (or 35660 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 22.
Adding to 21132205150 its reverse (5150223112), we get a palindrome (26282428262).
The spelling of 21132205150 in words is "twenty-one billion, one hundred thirty-two million, two hundred five thousand, one hundred fifty".
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