Base | Representation |
---|---|
bin | 1001101001011010100010… |
… | …00110111011000001000000 |
3 | 2210010001120100221222100111 |
4 | 10310231101012323001000 |
5 | 10240033142241302112 |
6 | 113041400525001104 |
7 | 4316450520555052 |
oct | 464552106730100 |
9 | 83101510858314 |
10 | 21214204244032 |
11 | 6839991273988 |
12 | 24675560b3194 |
13 | bab64c5bc567 |
14 | 534ab70278d2 |
15 | 26bc6ba9b5a7 |
hex | 134b511bb040 |
21214204244032 has 28 divisors (see below), whose sum is σ = 44573226934140. Its totient is φ = 9983154937856.
The previous prime is 21214204244029. The next prime is 21214204244047. The reversal of 21214204244032 is 23044240241212.
It can be written as a sum of positive squares in 2 ways, for example, as 13103647050816 + 8110557193216 = 3619896^2 + 2847904^2 .
It is a junction number, because it is equal to n+sod(n) for n = 21214204243985 and 21214204244003.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9749173657 + ... + 9749175832.
Almost surely, 221214204244032 is an apocalyptic number.
It is an amenable number.
21214204244032 is an abundant number, since it is smaller than the sum of its proper divisors (23359022690108).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
21214204244032 is a wasteful number, since it uses less digits than its factorization.
21214204244032 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 19498349518 (or 19498349508 counting only the distinct ones).
The product of its (nonzero) digits is 24576, while the sum is 31.
Adding to 21214204244032 its reverse (23044240241212), we get a palindrome (44258444485244).
The spelling of 21214204244032 in words is "twenty-one trillion, two hundred fourteen billion, two hundred four million, two hundred forty-four thousand, thirty-two".
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