Base | Representation |
---|---|
bin | 10111010010000111… |
… | …100011000101011001 |
3 | 2101112021222010201112 |
4 | 113102013203011121 |
5 | 402200001434203 |
6 | 15252421230105 |
7 | 1543344516311 |
oct | 272207430531 |
9 | 71467863645 |
10 | 25000030553 |
11 | a669957a83 |
12 | 4a18562335 |
13 | 24855473b4 |
14 | 12d2394441 |
15 | 9b4bcb6d8 |
hex | 5d21e3159 |
25000030553 has 2 divisors, whose sum is σ = 25000030554. Its totient is φ = 25000030552.
The previous prime is 25000030543. The next prime is 25000030589. The reversal of 25000030553 is 35503000052.
It is a happy number.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 22324244569 + 2675785984 = 149413^2 + 51728^2 .
It is a cyclic number.
It is not a de Polignac number, because 25000030553 - 234 = 7820161369 is a prime.
It is not a weakly prime, because it can be changed into another prime (25000030513) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12500015276 + 12500015277.
It is an arithmetic number, because the mean of its divisors is an integer number (12500015277).
Almost surely, 225000030553 is an apocalyptic number.
It is an amenable number.
25000030553 is a deficient number, since it is larger than the sum of its proper divisors (1).
25000030553 is an equidigital number, since it uses as much as digits as its factorization.
25000030553 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 2250, while the sum is 23.
The spelling of 25000030553 in words is "twenty-five billion, thirty thousand, five hundred fifty-three".
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