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67225052025 = 32521731095653
BaseRepresentation
bin111110100110111011…
…001110001101111001
320102112000210110212200
4332212323032031321
52100134103131100
650514402100413
74566620341215
oct764673161571
9212460713780
1067225052025
112656787563a
121104164a709
13645457c1c1
14337a273945
151b36bc3e00
hexfa6ece379

67225052025 has 72 divisors (see below), whose sum is σ = 127553900760. Its totient is φ = 33727518720.

The previous prime is 67225052023. The next prime is 67225052033. The reversal of 67225052025 is 52025052276.

It is a happy number.

67225052025 is a `hidden beast` number, since 67 + 2 + 2 + 50 + 520 + 25 = 666.

It can be written as a sum of positive squares in 12 ways, for example, as 10747054224 + 56477997801 = 103668^2 + 237651^2 .

It is not a de Polignac number, because 67225052025 - 21 = 67225052023 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67225052023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11889099 + ... + 11894751.

It is an arithmetic number, because the mean of its divisors is an integer number (1771581955).

Almost surely, 267225052025 is an apocalyptic number.

It is an amenable number.

67225052025 is a deficient number, since it is larger than the sum of its proper divisors (60328848735).

67225052025 is a wasteful number, since it uses less digits than its factorization.

67225052025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8795 (or 8787 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 67225052025 in words is "sixty-seven billion, two hundred twenty-five million, fifty-two thousand, twenty-five".

Divisors: 1 3 5 9 15 17 25 45 51 75 85 153 225 255 425 765 1275 3109 3825 5653 9327 15545 16959 27981 28265 46635 50877 52853 77725 84795 96101 139905 141325 158559 233175 254385 264265 288303 423975 475677 480505 699525 792795 864909 1271925 1321325 1441515 2378385 2402525 3963975 4324545 7207575 11891925 17575177 21622725 52725531 87875885 158176593 263627655 298778009 439379425 790882965 896334027 1318138275 1493890045 2689002081 3954414825 4481670135 7469450225 13445010405 22408350675 67225052025