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3124112111 = 10928661579
BaseRepresentation
bin1011101000110110…
…0010101011101111
322001201120100010222
42322031202223233
522344233041421
61234000321555
7140263341401
oct27215425357
98051510128
103124112111
11136353073a
127323132bb
133aa31b063
14218cb2b71
1513440ccab
hexba362aef

3124112111 has 4 divisors (see below), whose sum is σ = 3152773800. Its totient is φ = 3095450424.

The previous prime is 3124112099. The next prime is 3124112143. The reversal of 3124112111 is 1112114213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3124112111 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 3124112111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3124112171) 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, 14330681 + ... + 14330898.

It is an arithmetic number, because the mean of its divisors is an integer number (788193450).

Almost surely, 23124112111 is an apocalyptic number.

3124112111 is a deficient number, since it is larger than the sum of its proper divisors (28661689).

3124112111 is a wasteful number, since it uses less digits than its factorization.

3124112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28661688.

The product of its digits is 48, while the sum is 17.

The square root of 3124112111 is about 55893.7573526776. The cubic root of 3124112111 is about 1461.8703918208.

Adding to 3124112111 its reverse (1112114213), we get a palindrome (4236226324).

The spelling of 3124112111 in words is "three billion, one hundred twenty-four million, one hundred twelve thousand, one hundred eleven".

Divisors: 1 109 28661579 3124112111