Base | Representation |
---|---|
bin | 111111111011100… |
… | …0110010101110101 |
3 | 12112111110221001001 |
4 | 1333313012111311 |
5 | 13343124302300 |
6 | 552510003301 |
7 | 104105322403 |
oct | 17767062565 |
9 | 5474427031 |
10 | 2145150325 |
11 | a0097720a |
12 | 4ba4a6531 |
13 | 282568a26 |
14 | 164c80473 |
15 | c84d516a |
hex | 7fdc6575 |
2145150325 has 12 divisors (see below), whose sum is σ = 2669597860. Its totient is φ = 1709919360.
The previous prime is 2145150317. The next prime is 2145150353. The reversal of 2145150325 is 5230515412.
It can be written as a sum of positive squares in 6 ways, for example, as 883337841 + 1261812484 = 29721^2 + 35522^2 .
It is not a de Polignac number, because 2145150325 - 23 = 2145150317 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 2145150293 and 2145150302.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 147960 + ... + 161809.
Almost surely, 22145150325 is an apocalyptic number.
2145150325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
It is an amenable number.
2145150325 is a deficient number, since it is larger than the sum of its proper divisors (524447535).
2145150325 is a wasteful number, since it uses less digits than its factorization.
2145150325 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 310056 (or 310051 counting only the distinct ones).
The product of its (nonzero) digits is 6000, while the sum is 28.
The square root of 2145150325 is about 46315.7675635415. The cubic root of 2145150325 is about 1289.6917166897.
Adding to 2145150325 its reverse (5230515412), we get a palindrome (7375665737).
The spelling of 2145150325 in words is "two billion, one hundred forty-five million, one hundred fifty thousand, three hundred twenty-five".
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