Base | Representation |
---|---|
bin | 10111010010001001… |
… | …00101111110001001 |
3 | 1012021011101110221102 |
4 | 23221010211332021 |
5 | 201100024330100 |
6 | 5424215151145 |
7 | 621524126213 |
oct | 135104457611 |
9 | 35234343842 |
10 | 12500230025 |
11 | 5335065918 |
12 | 250a3754b5 |
13 | 124299a51a |
14 | 8682335b3 |
15 | 4d2631cd5 |
hex | 2e9125f89 |
12500230025 has 12 divisors (see below), whose sum is σ = 15501674124. Its totient is φ = 9999288000.
The previous prime is 12500230021. The next prime is 12500230051. The reversal of 12500230025 is 52003200521.
12500230025 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in 6 ways, for example, as 3636572416 + 8863657609 = 60304^2 + 94147^2 .
It is not a de Polignac number, because 12500230025 - 22 = 12500230021 is a prime.
It is a super-3 number, since 3×125002300253 (a number of 31 digits) contains 333 as substring.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 12500229979 and 12500230006.
It is not an unprimeable number, because it can be changed into a prime (12500230021) 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 in 11 ways as a sum of consecutive naturals, for example, 514655 + ... + 538395.
It is an arithmetic number, because the mean of its divisors is an integer number (1291806177).
Almost surely, 212500230025 is an apocalyptic number.
It is an amenable number.
12500230025 is a deficient number, since it is larger than the sum of its proper divisors (3001444099).
12500230025 is a wasteful number, since it uses less digits than its factorization.
12500230025 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 44812 (or 44807 counting only the distinct ones).
The product of its (nonzero) digits is 600, while the sum is 20.
Adding to 12500230025 its reverse (52003200521), we get a palindrome (64503430546).
The spelling of 12500230025 in words is "twelve billion, five hundred million, two hundred thirty thousand, twenty-five".
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