Base | Representation |
---|---|
bin | 1011010010101001… |
… | …1001001100011101 |
3 | 21211020101100222100 |
4 | 2310222121030131 |
5 | 22201414342000 |
6 | 1220433035313 |
7 | 135053115021 |
oct | 26452311435 |
9 | 7736340870 |
10 | 3031012125 |
11 | 1315a222a9 |
12 | 7070b5b39 |
13 | 393c520cb |
14 | 20a79a381 |
15 | 12b16ca00 |
hex | b4a9931d |
3031012125 has 48 divisors (see below), whose sum is σ = 5597255664. Its totient is φ = 1577088000.
The previous prime is 3031012123. The next prime is 3031012181. The reversal of 3031012125 is 5212101303.
3031012125 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 8 ways, for example, as 1196260569 + 1834751556 = 34587^2 + 42834^2 .
It is not a de Polignac number, because 3031012125 - 21 = 3031012123 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 3031012098 and 3031012107.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3031012123) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13269 + ... + 78981.
It is an arithmetic number, because the mean of its divisors is an integer number (116609493).
Almost surely, 23031012125 is an apocalyptic number.
It is an amenable number.
3031012125 is a deficient number, since it is larger than the sum of its proper divisors (2566243539).
3031012125 is a wasteful number, since it uses less digits than its factorization.
3031012125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 65775 (or 65762 counting only the distinct ones).
The product of its (nonzero) digits is 180, while the sum is 18.
The square root of 3031012125 is about 55054.6285520119. The cubic root of 3031012125 is about 1447.2022350095.
Adding to 3031012125 its reverse (5212101303), we get a palindrome (8243113428).
The spelling of 3031012125 in words is "three billion, thirty-one million, twelve thousand, one hundred twenty-five".
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