Base | Representation |
---|---|
bin | 1011100100010111… |
… | …0010101001010101 |
3 | 22000102011202001212 |
4 | 2321011302221111 |
5 | 22324424200000 |
6 | 1232045231205 |
7 | 136644432611 |
oct | 27105625125 |
9 | 8012152055 |
10 | 3105303125 |
11 | 1353954221 |
12 | 727b62505 |
13 | 3a6463a92 |
14 | 2165b8341 |
15 | 132944c35 |
hex | b9172a55 |
3105303125 has 24 divisors (see below), whose sum is σ = 3954825000. Its totient is φ = 2437240000.
The previous prime is 3105303121. The next prime is 3105303143. The reversal of 3105303125 is 5213035013.
3105303125 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 12 ways, for example, as 2949901969 + 155401156 = 54313^2 + 12466^2 .
It is not a de Polignac number, because 3105303125 - 22 = 3105303121 is a prime.
It is a self number, because there is not a number n which added to its sum of digits gives 3105303125.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (3105303121) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 156251 + ... + 174999.
It is an arithmetic number, because the mean of its divisors is an integer number (164784375).
Almost surely, 23105303125 is an apocalyptic number.
It is an amenable number.
3105303125 is a deficient number, since it is larger than the sum of its proper divisors (849521875).
3105303125 is an frugal number, since it uses more digits than its factorization.
3105303125 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 18827 (or 18807 counting only the distinct ones).
The product of its (nonzero) digits is 1350, while the sum is 23.
The square root of 3105303125 is about 55725.2467468741. The cubic root of 3105303125 is about 1458.9307121777.
Adding to 3105303125 its reverse (5213035013), we get a palindrome (8318338138).
The spelling of 3105303125 in words is "three billion, one hundred five million, three hundred three thousand, one hundred twenty-five".
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