Base | Representation |
---|---|
bin | 10010101010100000… |
… | …01111000111111101 |
3 | 221212022212122200010 |
4 | 21111100033013331 |
5 | 131010141113310 |
6 | 4334144453433 |
7 | 503211520053 |
oct | 112520170775 |
9 | 27768778603 |
10 | 10020254205 |
11 | 4282199325 |
12 | 1b3791a279 |
13 | c38c5c500 |
14 | 6b0b161d3 |
15 | 3d9a5e320 |
hex | 25540f1fd |
10020254205 has 24 divisors (see below), whose sum is σ = 17360539488. Its totient is φ = 4933046976.
The previous prime is 10020254201. The next prime is 10020254207. The reversal of 10020254205 is 50245202001.
It is a happy number.
It is not a de Polignac number, because 10020254205 - 22 = 10020254201 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (10020254201) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1973847 + ... + 1978916.
It is an arithmetic number, because the mean of its divisors is an integer number (723355812).
Almost surely, 210020254205 is an apocalyptic number.
10020254205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
10020254205 is a deficient number, since it is larger than the sum of its proper divisors (7340285283).
10020254205 is a wasteful number, since it uses less digits than its factorization.
10020254205 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3952797 (or 3952784 counting only the distinct ones).
The product of its (nonzero) digits is 800, while the sum is 21.
Adding to 10020254205 its reverse (50245202001), we get a palindrome (60265456206).
The spelling of 10020254205 in words is "ten billion, twenty million, two hundred fifty-four thousand, two hundred five".
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