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3111663049 = 11282878459
BaseRepresentation
bin1011100101111000…
…0011010111001001
322000212010212020121
42321132003113021
522333041204144
61232433423241
7140052461635
oct27136032711
98025125217
103111663049
1113574a8560
1272a10ab21
133a787c851
14217391dc5
1513329e384
hexb97835c9

3111663049 has 4 divisors (see below), whose sum is σ = 3394541520. Its totient is φ = 2828784580.

The previous prime is 3111663047. The next prime is 3111663067. The reversal of 3111663049 is 9403661113.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3111663049 - 21 = 3111663047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111663047) 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, 141439219 + ... + 141439240.

It is an arithmetic number, because the mean of its divisors is an integer number (848635380).

Almost surely, 23111663049 is an apocalyptic number.

It is an amenable number.

3111663049 is a deficient number, since it is larger than the sum of its proper divisors (282878471).

3111663049 is a wasteful number, since it uses less digits than its factorization.

3111663049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282878470.

The product of its (nonzero) digits is 11664, while the sum is 34.

The square root of 3111663049 is about 55782.2825725158. The cubic root of 3111663049 is about 1459.9260375680.

The spelling of 3111663049 in words is "three billion, one hundred eleven million, six hundred sixty-three thousand, forty-nine".

Divisors: 1 11 282878459 3111663049