Base | Representation |
---|---|
bin | 10111010010011001… |
… | …01001100110001001 |
3 | 1012021022100210001122 |
4 | 23221030221212021 |
5 | 201101044421100 |
6 | 5424332325025 |
7 | 621551103515 |
oct | 135114514611 |
9 | 35238323048 |
10 | 12502342025 |
11 | 5336278678 |
12 | 250b013775 |
13 | 1243259924 |
14 | 868623145 |
15 | 4d28ec985 |
hex | 2e9329989 |
12502342025 has 6 divisors (see below), whose sum is σ = 15502904142. Its totient is φ = 10001873600.
The previous prime is 12502342003. The next prime is 12502342043. The reversal of 12502342025 is 52024320521.
It can be written as a sum of positive squares in 3 ways, for example, as 3966984256 + 8535357769 = 62984^2 + 92387^2 .
It is not a de Polignac number, because 12502342025 - 210 = 12502341001 is a prime.
It is a super-2 number, since 2×125023420252 (a number of 21 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 = 12502341985 and 12502342003.
It is an unprimeable number.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 250046816 + ... + 250046865.
It is an arithmetic number, because the mean of its divisors is an integer number (2583817357).
Almost surely, 212502342025 is an apocalyptic number.
It is an amenable number.
12502342025 is a deficient number, since it is larger than the sum of its proper divisors (3000562117).
12502342025 is an equidigital number, since it uses as much as digits as its factorization.
12502342025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 500093691 (or 500093686 counting only the distinct ones).
The product of its (nonzero) digits is 4800, while the sum is 26.
Adding to 12502342025 its reverse (52024320521), we get a palindrome (64526662546).
The spelling of 12502342025 in words is "twelve billion, five hundred two million, three hundred forty-two thousand, twenty-five".
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