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2140012241 = 17125883073
BaseRepresentation
bin111111110001101…
…1111111011010001
312112010210212220122
41333203133323101
513340320342431
6552203520025
7104013542513
oct17743377321
95463725818
102140012241
119a8a87964
124b8829015
1328148a143
14164303bb3
15c7d1ca7b
hex7f8dfed1

2140012241 has 4 divisors (see below), whose sum is σ = 2265895332. Its totient is φ = 2014129152.

The previous prime is 2140012211. The next prime is 2140012247. The reversal of 2140012241 is 1422100412.

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 1508545600 + 631466641 = 38840^2 + 25129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2140012241 - 214 = 2139995857 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 125883073 = 2140012241 / (2 + 1 + 4 + 0 + 0 + 1 + 2 + 2 + 4 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2140012247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62941520 + ... + 62941553.

It is an arithmetic number, because the mean of its divisors is an integer number (566473833).

Almost surely, 22140012241 is an apocalyptic number.

It is an amenable number.

2140012241 is a deficient number, since it is larger than the sum of its proper divisors (125883091).

2140012241 is a wasteful number, since it uses less digits than its factorization.

2140012241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125883090.

The product of its (nonzero) digits is 128, while the sum is 17.

The square root of 2140012241 is about 46260.2663308373. The cubic root of 2140012241 is about 1288.6611996202.

Adding to 2140012241 its reverse (1422100412), we get a palindrome (3562112653).

The spelling of 2140012241 in words is "two billion, one hundred forty million, twelve thousand, two hundred forty-one".

Divisors: 1 17 125883073 2140012241