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3112086121 = 10193054059
BaseRepresentation
bin1011100101111110…
…1010101001101001
322000212221100120221
42321133222221221
522333143223441
61232450450041
7140056203244
oct27137525151
98025840527
103112086121
111357767401
1272a293921
133a799a2a1
1421746225b
151333348d1
hexb97eaa69

3112086121 has 4 divisors (see below), whose sum is σ = 3115141200. Its totient is φ = 3109031044.

The previous prime is 3112086097. The next prime is 3112086137. The reversal of 3112086121 is 1216802113.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1216802113 = 1279581119.

It is a cyclic number.

It is not a de Polignac number, because 3112086121 - 27 = 3112085993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3112086191) 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, 1526011 + ... + 1528048.

It is an arithmetic number, because the mean of its divisors is an integer number (778785300).

Almost surely, 23112086121 is an apocalyptic number.

It is an amenable number.

3112086121 is a deficient number, since it is larger than the sum of its proper divisors (3055079).

3112086121 is a wasteful number, since it uses less digits than its factorization.

3112086121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3055078.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 3112086121 is about 55786.0746154450. The cubic root of 3112086121 is about 1459.9922000271.

Adding to 3112086121 its reverse (1216802113), we get a palindrome (4328888234).

The spelling of 3112086121 in words is "three billion, one hundred twelve million, eighty-six thousand, one hundred twenty-one".

Divisors: 1 1019 3054059 3112086121