Base | Representation |
---|---|
bin | 11011111101101000… |
… | …011000011011100101 |
3 | 2212111111101022120100 |
4 | 123331220120123211 |
5 | 442442401302003 |
6 | 21443204254313 |
7 | 2112022334526 |
oct | 337550303345 |
9 | 85444338510 |
10 | 30025025253 |
11 | 11808386963 |
12 | 599b3a1399 |
13 | 2aa6617942 |
14 | 164b8c084d |
15 | baae1dba3 |
hex | 6fda186e5 |
30025025253 has 24 divisors (see below), whose sum is σ = 46885935200. Its totient is φ = 18450651744.
The previous prime is 30025025227. The next prime is 30025025257. The reversal of 30025025253 is 35252052003.
It is not a de Polignac number, because 30025025253 - 26 = 30025025189 is a prime.
It is a super-4 number, since 4×300250252534 (a number of 43 digits) contains 4444 as substring.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30025025257) 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, 2366443 + ... + 2379096.
Almost surely, 230025025253 is an apocalyptic number.
It is an amenable number.
30025025253 is a deficient number, since it is larger than the sum of its proper divisors (16860909947).
30025025253 is a wasteful number, since it uses less digits than its factorization.
30025025253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4745601 (or 4745598 counting only the distinct ones).
The product of its (nonzero) digits is 9000, while the sum is 27.
Adding to 30025025253 its reverse (35252052003), we get a palindrome (65277077256).
The spelling of 30025025253 in words is "thirty billion, twenty-five million, twenty-five thousand, two hundred fifty-three".
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