Search a number
-
+
349119046897 = 2811242416537
BaseRepresentation
bin1010001010010010001…
…11011110010011110001
31020101010201002010220021
411011021013132103301
521204443434000042
6424214424443441
734136331635605
oct5051107362361
91211121063807
10349119046897
11125073667235
12577b3319581
1326bca2135ba
1412c7c873505
159134a3a867
hex51491de4f1

349119046897 has 4 divisors (see below), whose sum is σ = 350361463716. Its totient is φ = 347876630080.

The previous prime is 349119046889. The next prime is 349119046957. The reversal of 349119046897 is 798640911943.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 798640911943 = 7114091558849.

It can be written as a sum of positive squares in 2 ways, for example, as 124775671696 + 224343375201 = 353236^2 + 473649^2 .

It is a cyclic number.

It is not a de Polignac number, because 349119046897 - 23 = 349119046889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (349119046097) 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, 621207988 + ... + 621208549.

It is an arithmetic number, because the mean of its divisors is an integer number (87590365929).

Almost surely, 2349119046897 is an apocalyptic number.

It is an amenable number.

349119046897 is a deficient number, since it is larger than the sum of its proper divisors (1242416819).

349119046897 is a wasteful number, since it uses less digits than its factorization.

349119046897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1242416818.

The product of its (nonzero) digits is 11757312, while the sum is 61.

The spelling of 349119046897 in words is "three hundred forty-nine billion, one hundred nineteen million, forty-six thousand, eight hundred ninety-seven".

Divisors: 1 281 1242416537 349119046897