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8193205025 = 52327728201
BaseRepresentation
bin1111010000101101…
…00110001100100001
3210010222221221100222
413220112212030201
5113234430030100
63433000452425
7410015044055
oct75026461441
923128857328
108193205025
11352493a225
121707a7a115
13a0758b615
1457a1dbc65
1532e461485
hex1e85a6321

8193205025 has 6 divisors (see below), whose sum is σ = 10159574262. Its totient is φ = 6554564000.

The previous prime is 8193205003. The next prime is 8193205043. The reversal of 8193205025 is 5205023918.

It can be written as a sum of positive squares in 3 ways, for example, as 797893009 + 7395312016 = 28247^2 + 85996^2 .

It is not a de Polignac number, because 8193205025 - 28 = 8193204769 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 163864076 + ... + 163864125.

It is an arithmetic number, because the mean of its divisors is an integer number (1693262377).

Almost surely, 28193205025 is an apocalyptic number.

It is an amenable number.

8193205025 is a deficient number, since it is larger than the sum of its proper divisors (1966369237).

8193205025 is a wasteful number, since it uses less digits than its factorization.

8193205025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327728211 (or 327728206 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 35.

The square root of 8193205025 is about 90516.3246326319. The cubic root of 8193205025 is about 2015.9725184989.

The spelling of 8193205025 in words is "eight billion, one hundred ninety-three million, two hundred five thousand, twenty-five".

Divisors: 1 5 25 327728201 1638641005 8193205025