Base | Representation |
---|---|
bin | 10011000010101001… |
… | …000011001101010101 |
3 | 1221202212122110002100 |
4 | 103002221003031111 |
5 | 313333011111013 |
6 | 13220440032313 |
7 | 1322441055501 |
oct | 230251031525 |
9 | 57685573070 |
10 | 20445410133 |
11 | 87419a0275 |
12 | 3b67162699 |
13 | 1c0aa58425 |
14 | dbd50b301 |
15 | 7e9dee473 |
hex | 4c2a43355 |
20445410133 has 12 divisors (see below), whose sum is σ = 29948207328. Its totient is φ = 13438297320.
The previous prime is 20445410131. The next prime is 20445410159. The reversal of 20445410133 is 33101454402.
It is a happy number.
20445410133 is a `hidden beast` number, since 204 + 45 + 410 + 1 + 3 + 3 = 666.
It is not a de Polignac number, because 20445410133 - 21 = 20445410131 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 20445410097 and 20445410106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20445410131) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15997335 + ... + 15998612.
It is an arithmetic number, because the mean of its divisors is an integer number (2495683944).
Almost surely, 220445410133 is an apocalyptic number.
It is an amenable number.
20445410133 is a deficient number, since it is larger than the sum of its proper divisors (9502797195).
20445410133 is a wasteful number, since it uses less digits than its factorization.
20445410133 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31996024 (or 31996021 counting only the distinct ones).
The product of its (nonzero) digits is 5760, while the sum is 27.
Adding to 20445410133 its reverse (33101454402), we get a palindrome (53546864535).
The spelling of 20445410133 in words is "twenty billion, four hundred forty-five million, four hundred ten thousand, one hundred thirty-three".
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