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2041742709 = 32297822769
BaseRepresentation
bin111100110110010…
…1000010101110101
312021021220021110100
41321230220111311
513140141231314
6534333344313
7101411345436
oct17154502565
95237807410
102041742709
11958568576
1248b938099
132670011a6
1415524348d
15be3aac09
hex79b28575

2041742709 has 12 divisors (see below), whose sum is σ = 3050880300. Its totient is φ = 1314225024.

The previous prime is 2041742671. The next prime is 2041742711. The reversal of 2041742709 is 9072471402.

It can be written as a sum of positive squares in 2 ways, for example, as 1340658225 + 701084484 = 36615^2 + 26478^2 .

It is not a de Polignac number, because 2041742709 - 216 = 2041677173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041742009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3911124 + ... + 3911645.

It is an arithmetic number, because the mean of its divisors is an integer number (254240025).

Almost surely, 22041742709 is an apocalyptic number.

2041742709 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2041742709 is a deficient number, since it is larger than the sum of its proper divisors (1009137591).

2041742709 is a wasteful number, since it uses less digits than its factorization.

2041742709 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7822804 (or 7822801 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2041742709 is about 45185.6471570343. The cubic root of 2041742709 is about 1268.6261848680.

The spelling of 2041742709 in words is "two billion, forty-one million, seven hundred forty-two thousand, seven hundred nine".

Divisors: 1 3 9 29 87 261 7822769 23468307 70404921 226860301 680580903 2041742709