Base | Representation |
---|---|
bin | 1000110101100000101101… |
… | …1110001000011111011001 |
3 | 1021101210011112001201001100 |
4 | 2031120023132020133121 |
5 | 2233134124032101100 |
6 | 32355110320542013 |
7 | 2021625610306614 |
oct | 215301336103731 |
9 | 37353145051040 |
10 | 9715408472025 |
11 | 3106310890923 |
12 | 110aab2781909 |
13 | 55620b6924a9 |
14 | 25832a57d17b |
15 | 11cac0382400 |
hex | 8d60b7887d9 |
9715408472025 has 27 divisors (see below), whose sum is σ = 17401459805821. Its totient is φ = 5181526249440.
The previous prime is 9715408471921. The next prime is 9715408472039. The reversal of 9715408472025 is 5202748045179.
The square root of 9715408472025 is 3116955.
It is a perfect power (a square), and thus also a powerful number.
9715408472025 is a `hidden beast` number, since 9 + 7 + 1 + 540 + 8 + 4 + 72 + 0 + 25 = 666.
9715408472025 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 4 ways, for example, as 1940947726041 + 7774460745984 = 1393179^2 + 2788272^2 .
It is not a de Polignac number, because 9715408472025 - 213 = 9715408463833 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, 46650427 + ... + 46858223.
Almost surely, 29715408472025 is an apocalyptic number.
9715408472025 is the 3116955-th square number.
9715408472025 is the 1558478-th centered octagonal number.
It is an amenable number.
9715408472025 is a deficient number, since it is larger than the sum of its proper divisors (7686051333796).
9715408472025 is an frugal number, since it uses more digits than its factorization.
9715408472025 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 415610 (or 207805 counting only the distinct ones).
The product of its (nonzero) digits is 5644800, while the sum is 54.
The spelling of 9715408472025 in words is "nine trillion, seven hundred fifteen billion, four hundred eight million, four hundred seventy-two thousand, twenty-five".
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