Base | Representation |
---|---|
bin | 10111011001110111… |
… | …010101111010101011 |
3 | 2101212100112021100100 |
4 | 113121313111322223 |
5 | 402431240000133 |
6 | 15313343040443 |
7 | 1546513322151 |
oct | 273167257253 |
9 | 71770467310 |
10 | 25130000043 |
11 | a726258a85 |
12 | 4a53ba0123 |
13 | 24a6452015 |
14 | 13057473d1 |
15 | 9c1300e13 |
hex | 5d9dd5eab |
25130000043 has 12 divisors (see below), whose sum is σ = 36301866640. Its totient is φ = 16751959056.
The previous prime is 25130000033. The next prime is 25130000059. The reversal of 25130000043 is 34000003152.
It is not a de Polignac number, because 25130000043 - 28 = 25129999787 is a prime.
It is a super-2 number, since 2×251300000432 (a number of 22 digits) contains 22 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 25129999980 and 25130000025.
It is not an unprimeable number, because it can be changed into a prime (25130000033) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (23) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8205 + ... + 224337.
Almost surely, 225130000043 is an apocalyptic number.
25130000043 is a deficient number, since it is larger than the sum of its proper divisors (11171866597).
25130000043 is a wasteful number, since it uses less digits than its factorization.
25130000043 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 229058 (or 229055 counting only the distinct ones).
The product of its (nonzero) digits is 360, while the sum is 18.
Adding to 25130000043 its reverse (34000003152), we get a palindrome (59130003195).
The spelling of 25130000043 in words is "twenty-five billion, one hundred thirty million, forty-three", and thus it is an aban number.
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