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212112002 = 2106056001
BaseRepresentation
bin11001010010010…
…01001010000010
3112210010101222002
430221021022002
5413300041002
633014144002
75153631224
oct1451111202
9483111862
10212112002
11a9805983
125b052002
1334c3827b
1420256414
151394d002
hexca49282

212112002 has 4 divisors (see below), whose sum is σ = 318168006. Its totient is φ = 106056000.

The previous prime is 212112001. The next prime is 212112023. The reversal of 212112002 is 200211212.

It is a happy number.

212112002 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It can be written as a sum of positive squares in only one way, i.e., 142539721 + 69572281 = 11939^2 + 8341^2 .

It is not an unprimeable number, because it can be changed into a prime (212112001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 53027999 + ... + 53028002.

Almost surely, 2212112002 is an apocalyptic number.

212112002 is a deficient number, since it is larger than the sum of its proper divisors (106056004).

212112002 is a wasteful number, since it uses less digits than its factorization.

212112002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106056003.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 212112002 is about 14564.0654351730. The cubic root of 212112002 is about 596.3781832477.

Adding to 212112002 its reverse (200211212), we get a palindrome (412323214).

The spelling of 212112002 in words is "two hundred twelve million, one hundred twelve thousand, two".

Divisors: 1 2 106056001 212112002