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7805341338225 = 3521573319199721
BaseRepresentation
bin111000110010101001010…
…0110010000101001110001
31000122011221122202210221120
41301211102212100221301
52010340314340310400
624333420241212453
71433626430456664
oct161452246205161
930564848683846
107805341338225
11253a254778552
12a60889031129
1344806b076362
141cdacdb136db
15d807c8beca0
hex71952990a71

7805341338225 has 48 divisors (see below), whose sum is σ = 12991005367680. Its totient is φ = 4135066790400.

The previous prime is 7805341338161. The next prime is 7805341338227. The reversal of 7805341338225 is 5228331435087.

It is not a de Polignac number, because 7805341338225 - 26 = 7805341338161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7805341338227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 38981365 + ... + 39181085.

It is an arithmetic number, because the mean of its divisors is an integer number (270645945160).

Almost surely, 27805341338225 is an apocalyptic number.

7805341338225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

7805341338225 is a deficient number, since it is larger than the sum of its proper divisors (5185664029455).

7805341338225 is a wasteful number, since it uses less digits than its factorization.

7805341338225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203210 (or 203205 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 51.

The spelling of 7805341338225 in words is "seven trillion, eight hundred five billion, three hundred forty-one million, three hundred thirty-eight thousand, two hundred twenty-five".

Divisors: 1 3 5 15 25 75 157 471 785 2355 3319 3925 9957 11775 16595 49785 82975 199721 248925 521083 599163 998605 1563249 2605415 2995815 4993025 7816245 13027075 14979075 31356197 39081225 94068591 156780985 470342955 662873999 783904925 1988621997 2351714775 3314369995 9943109985 16571849975 49715549925 104071217843 312213653529 520356089215 1561068267645 2601780446075 7805341338225