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2805741061 = 21116378123
BaseRepresentation
bin1010011100111100…
…0011011000000101
321020112111102011121
42213033003120011
521221232203221
61142224433541
7126346256044
oct24717033005
97215442147
102805741061
11120a849872
126637788b1
1335938a416
141c88ba55b
151164c0a41
hexa73c3605

2805741061 has 8 divisors (see below), whose sum is σ = 2821107744. Its totient is φ = 2790394320.

The previous prime is 2805740983. The next prime is 2805741079. The reversal of 2805741061 is 1601475082.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2805741061 - 227 = 2671523333 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2805741091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341346 + ... + 349468.

It is an arithmetic number, because the mean of its divisors is an integer number (352638468).

Almost surely, 22805741061 is an apocalyptic number.

It is an amenable number.

2805741061 is a deficient number, since it is larger than the sum of its proper divisors (15366683).

2805741061 is a wasteful number, since it uses less digits than its factorization.

2805741061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9971.

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 2805741061 is about 52969.2463699456. The cubic root of 2805741061 is about 1410.4223976341.

The spelling of 2805741061 in words is "two billion, eight hundred five million, seven hundred forty-one thousand, sixty-one".

Divisors: 1 211 1637 8123 345407 1713953 13297351 2805741061