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3121204041 = 3226910491229
BaseRepresentation
bin1011101000001001…
…1100101101001001
322001112002121000200
42322002130231021
522343012012131
61233414122413
7140226540144
oct27202345511
98045077020
103121204041
11136192487a
12731350409
133a98404c7
1421875705b
151340362e6
hexba09cb49

3121204041 has 24 divisors (see below), whose sum is σ = 4533165000. Its totient is φ = 2069405952.

The previous prime is 3121204039. The next prime is 3121204087. The reversal of 3121204041 is 1404021213.

It can be written as a sum of positive squares in 4 ways, for example, as 1304654400 + 1816549641 = 36120^2 + 42621^2 .

It is not a de Polignac number, because 3121204041 - 21 = 3121204039 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3121204241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2539015 + ... + 2540243.

It is an arithmetic number, because the mean of its divisors is an integer number (188881875).

Almost surely, 23121204041 is an apocalyptic number.

It is an amenable number.

3121204041 is a deficient number, since it is larger than the sum of its proper divisors (1411960959).

3121204041 is a wasteful number, since it uses less digits than its factorization.

3121204041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2553 (or 2550 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 3121204041 is about 55867.7370313135. The cubic root of 3121204041 is about 1461.4166585103.

Adding to 3121204041 its reverse (1404021213), we get a palindrome (4525225254).

The spelling of 3121204041 in words is "three billion, one hundred twenty-one million, two hundred four thousand, forty-one".

Divisors: 1 3 9 269 807 1049 1229 2421 3147 3687 9441 11061 282181 330601 846543 991803 1289221 2539629 2975409 3867663 11602989 346800449 1040401347 3121204041