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2280957813 = 34179717077
BaseRepresentation
bin1000011111110100…
…1010011101110101
312212222000122220000
42013331022131311
514132411122223
61014200501513
7110344551531
oct20775123565
95788018800
102280957813
11a705a5402
12537a7a899
132a47389a4
14178d12bc1
15d53ae543
hex87f4a775

2280957813 has 40 divisors (see below), whose sum is σ = 3645196632. Its totient is φ = 1416351744.

The previous prime is 2280957803. The next prime is 2280957829. The reversal of 2280957813 is 3187590822.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 489382884 + 1791574929 = 22122^2 + 42327^2 .

It is not a de Polignac number, because 2280957813 - 210 = 2280956789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280957803) 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 39 ways as a sum of consecutive naturals, for example, 125031 + ... + 142107.

Almost surely, 22280957813 is an apocalyptic number.

It is an amenable number.

2280957813 is a deficient number, since it is larger than the sum of its proper divisors (1364238819).

2280957813 is a wasteful number, since it uses less digits than its factorization.

2280957813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17203 (or 17194 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 2280957813 is about 47759.3740850945. The cubic root of 2280957813 is about 1316.3531518741.

The spelling of 2280957813 in words is "two billion, two hundred eighty million, nine hundred fifty-seven thousand, eight hundred thirteen".

Divisors: 1 3 9 17 27 51 81 97 153 291 459 873 1377 1649 2619 4947 7857 14841 17077 44523 51231 133569 153693 290309 461079 870927 1383237 1656469 2612781 4969407 7838343 14908221 23515029 28159973 44724663 84479919 134173989 253439757 760319271 2280957813