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9715408472025 = 32522077972
BaseRepresentation
bin1000110101100000101101…
…1110001000011111011001
31021101210011112001201001100
42031120023132020133121
52233134124032101100
632355110320542013
72021625610306614
oct215301336103731
937353145051040
109715408472025
113106310890923
12110aab2781909
1355620b6924a9
1425832a57d17b
1511cac0382400
hex8d60b7887d9

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".

Divisors: 1 3 5 9 15 25 45 75 225 207797 623391 1038985 1870173 3116955 5194925 9350865 15584775 46754325 43179593209 129538779627 215897966045 388616338881 647693898135 1079489830225 1943081694405 3238469490675 9715408472025