Base | Representation |
---|---|
bin | 1100000011110110110… |
… | …0000010010100100001 |
3 | 201210210122220110120101 |
4 | 3000331230002110201 |
5 | 11343313001243400 |
6 | 235103333142401 |
7 | 20653305464452 |
oct | 3007554022441 |
9 | 653718813511 |
10 | 207193384225 |
11 | 7a96329a243 |
12 | 341a478aa01 |
13 | 166cc704049 |
14 | a0575bb129 |
15 | 55c9c3c56a |
hex | 303db02521 |
207193384225 has 27 divisors (see below), whose sum is σ = 261517662003. Its totient is φ = 162839702640.
The previous prime is 207193384171. The next prime is 207193384247. The reversal of 207193384225 is 522483391702.
The square root of 207193384225 is 455185.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 74589618321 + 132603765904 = 273111^2 + 364148^2 .
It is not a de Polignac number, because 207193384225 - 223 = 207184995617 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 134278804 + ... + 134280346.
Almost surely, 2207193384225 is an apocalyptic number.
207193384225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.
207193384225 is the 455185-th square number.
207193384225 is the 227593-rd centered octagonal number.
It is an amenable number.
207193384225 is a deficient number, since it is larger than the sum of its proper divisors (54324277778).
207193384225 is an frugal number, since it uses more digits than its factorization.
207193384225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3214 (or 1607 counting only the distinct ones).
The product of its (nonzero) digits is 725760, while the sum is 46.
The spelling of 207193384225 in words is "two hundred seven billion, one hundred ninety-three million, three hundred eighty-four thousand, two hundred twenty-five".
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