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2750044109 = 20129136621
BaseRepresentation
bin1010001111101010…
…0101011111001101
321002122200201022112
42203322211133031
521113002402414
61132514553405
7125101663211
oct24372453715
97078621275
102750044109
11119136792a
12648b98865
1334a988c47
141c133c941
1511166cd3e
hexa3ea57cd

2750044109 has 4 divisors (see below), whose sum is σ = 2750200860. Its totient is φ = 2749887360.

The previous prime is 2750044079. The next prime is 2750044111. The reversal of 2750044109 is 9014400572.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1558275625 + 1191768484 = 39475^2 + 34522^2 .

It is a cyclic number.

It is not a de Polignac number, because 2750044109 - 28 = 2750043853 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 (2750044159) 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 3 ways as a sum of consecutive naturals, for example, 48182 + ... + 88439.

It is an arithmetic number, because the mean of its divisors is an integer number (687550215).

Almost surely, 22750044109 is an apocalyptic number.

It is an amenable number.

2750044109 is a deficient number, since it is larger than the sum of its proper divisors (156751).

2750044109 is a wasteful number, since it uses less digits than its factorization.

2750044109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156750.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 2750044109 is about 52440.8629696347. The cubic root of 2750044109 is about 1401.0271559030.

The spelling of 2750044109 in words is "two billion, seven hundred fifty million, forty-four thousand, one hundred nine".

Divisors: 1 20129 136621 2750044109