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6240244771 = 21112956061
BaseRepresentation
bin1011100111111001…
…01001010000100011
3121002220010021112201
411303330221100203
5100240000313041
62511114034031
7310432130305
oct56374512043
917086107481
106240244771
112712501292
121261a18917
13785aa4137
14432aa9975
15267c91631
hex173f29423

6240244771 has 4 divisors (see below), whose sum is σ = 6243202944. Its totient is φ = 6237286600.

The previous prime is 6240244763. The next prime is 6240244873. The reversal of 6240244771 is 1774420426.

6240244771 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1774420426 = 2887210213.

It is a cyclic number.

It is not a de Polignac number, because 6240244771 - 23 = 6240244763 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 6240244771.

It is not an unprimeable number, because it can be changed into a prime (6243244771) 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 3 ways as a sum of consecutive naturals, for example, 1475920 + ... + 1480141.

It is an arithmetic number, because the mean of its divisors is an integer number (1560800736).

Almost surely, 26240244771 is an apocalyptic number.

6240244771 is a deficient number, since it is larger than the sum of its proper divisors (2958173).

6240244771 is a wasteful number, since it uses less digits than its factorization.

6240244771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2958172.

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 6240244771 is about 78995.2199250056. The cubic root of 6240244771 is about 1841.0568883809.

The spelling of 6240244771 in words is "six billion, two hundred forty million, two hundred forty-four thousand, seven hundred seventy-one".

Divisors: 1 2111 2956061 6240244771