Base | Representation |
---|---|
bin | 10011101011100101… |
… | …010111011010111010 |
3 | 2000112202011120211122 |
4 | 103223211113122322 |
5 | 321234332411302 |
6 | 13412534425242 |
7 | 1345451446553 |
oct | 235345273272 |
9 | 60482146748 |
10 | 21132310202 |
11 | 8a64702483 |
12 | 4119202222 |
13 | 1cba15bc83 |
14 | 104683532a |
15 | 83a3853a2 |
hex | 4eb9576ba |
21132310202 has 16 divisors (see below), whose sum is σ = 32302054152. Its totient is φ = 10365026880.
The previous prime is 21132310193. The next prime is 21132310217. The reversal of 21132310202 is 20201323112.
It can be written as a sum of positive squares in 4 ways, for example, as 19077410641 + 2054899561 = 138121^2 + 45331^2 .
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 786128 + ... + 812564.
Almost surely, 221132310202 is an apocalyptic number.
21132310202 is a deficient number, since it is larger than the sum of its proper divisors (11169743950).
21132310202 is a wasteful number, since it uses less digits than its factorization.
21132310202 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 34033.
The product of its (nonzero) digits is 144, while the sum is 17.
Adding to 21132310202 its reverse (20201323112), we get a palindrome (41333633314).
The spelling of 21132310202 in words is "twenty-one billion, one hundred thirty-two million, three hundred ten thousand, two hundred two".
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