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3111004043 = 7444429149
BaseRepresentation
bin1011100101101110…
…0010011110001011
322000210220101020222
42321123202132023
522332404112133
61232411340255
7140044045430
oct27133423613
98023811228
103111004043
111357098424
12729a5168b
133a76ab8c4
1421725db87
151331bde98
hexb96e278b

3111004043 has 4 divisors (see below), whose sum is σ = 3555433200. Its totient is φ = 2666574888.

The previous prime is 3111004037. The next prime is 3111004133. The reversal of 3111004043 is 3404001113.

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

It is a cyclic number.

It is not a de Polignac number, because 3111004043 - 28 = 3111003787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111004003) 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, 222214568 + ... + 222214581.

It is an arithmetic number, because the mean of its divisors is an integer number (888858300).

Almost surely, 23111004043 is an apocalyptic number.

3111004043 is a deficient number, since it is larger than the sum of its proper divisors (444429157).

3111004043 is an equidigital number, since it uses as much as digits as its factorization.

3111004043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444429156.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 3111004043 is about 55776.3753124923. The cubic root of 3111004043 is about 1459.8229664309.

Adding to 3111004043 its reverse (3404001113), we get a palindrome (6515005156).

The spelling of 3111004043 in words is "three billion, one hundred eleven million, four thousand, forty-three".

Divisors: 1 7 444429149 3111004043