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2745111085 = 5797688861
BaseRepresentation
bin1010001110011111…
…0001001000101101
321002022102002110221
42203213301020231
521110222023320
61132221131341
7125012026213
oct24347611055
97068362427
102745111085
1111895a8652
126473b9b51
1334994c7b2
141c0816cb3
15110ee63aa
hexa39f122d

2745111085 has 8 divisors (see below), whose sum is σ = 3298271256. Its totient is φ = 2193330240.

The previous prime is 2745111073. The next prime is 2745111107. The reversal of 2745111085 is 5801115472.

2745111085 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 601328484 + 2143782601 = 24522^2 + 46301^2 .

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

It is a de Polignac number, because none of the positive numbers 2k-2745111085 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2745111085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340446 + ... + 348415.

It is an arithmetic number, because the mean of its divisors is an integer number (412283907).

Almost surely, 22745111085 is an apocalyptic number.

It is an amenable number.

2745111085 is a deficient number, since it is larger than the sum of its proper divisors (553160171).

2745111085 is an equidigital number, since it uses as much as digits as its factorization.

2745111085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689663.

The product of its (nonzero) digits is 11200, while the sum is 34.

The square root of 2745111085 is about 52393.8076970934. The cubic root of 2745111085 is about 1400.1889345355.

The spelling of 2745111085 in words is "two billion, seven hundred forty-five million, one hundred eleven thousand, eighty-five".

Divisors: 1 5 797 3985 688861 3444305 549022217 2745111085