Base | Representation |
---|---|
bin | 10011000111101100… |
… | …001010111110010010 |
3 | 1221222210000212120021 |
4 | 103013230022332102 |
5 | 314021202130300 |
6 | 13233103334054 |
7 | 1324520044036 |
oct | 230754127622 |
9 | 57883025507 |
10 | 20530114450 |
11 | 878579493a |
12 | 3b8b5b132a |
13 | 1c22474b21 |
14 | dca87a1c6 |
15 | 802581d1a |
hex | 4c7b0af92 |
20530114450 has 96 divisors (see below), whose sum is σ = 39528001296. Its totient is φ = 7929692160.
The previous prime is 20530114421. The next prime is 20530114453. The reversal of 20530114450 is 5441103502.
It is a happy number.
It can be written as a sum of positive squares in 24 ways, for example, as 499656609 + 20030457841 = 22353^2 + 141529^2 .
It is a Harshad number since it is a multiple of its sum of digits (25).
It is not an unprimeable number, because it can be changed into a prime (20530114453) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 70068504 + ... + 70068796.
Almost surely, 220530114450 is an apocalyptic number.
20530114450 is a deficient number, since it is larger than the sum of its proper divisors (18997886846).
20530114450 is a wasteful number, since it uses less digits than its factorization.
20530114450 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 688 (or 683 counting only the distinct ones).
The product of its (nonzero) digits is 2400, while the sum is 25.
Adding to 20530114450 its reverse (5441103502), we get a palindrome (25971217952).
The spelling of 20530114450 in words is "twenty billion, five hundred thirty million, one hundred fourteen thousand, four hundred fifty".
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