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112111012213 = 293382631441
BaseRepresentation
bin110100001101001010…
…1100100100101110101
3101201101012122111201121
41220122111210211311
53314100404342323
6123300400023541
711046133611004
oct1503225444565
9351335574647
10112111012213
114360081a902
1219889901bb1
13a758972265
1455d76d8c3b
152db25d7a5d
hex1a1a564975

112111012213 has 4 divisors (see below), whose sum is σ = 112493643948. Its totient is φ = 111728380480.

The previous prime is 112111012193. The next prime is 112111012241. The reversal of 112111012213 is 312210111211.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 102414080484 + 9696931729 = 320022^2 + 98473^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-112111012213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112111012313) 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, 191315428 + ... + 191316013.

It is an arithmetic number, because the mean of its divisors is an integer number (28123410987).

Almost surely, 2112111012213 is an apocalyptic number.

It is an amenable number.

112111012213 is a deficient number, since it is larger than the sum of its proper divisors (382631735).

112111012213 is an equidigital number, since it uses as much as digits as its factorization.

112111012213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382631734.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 112111012213 its reverse (312210111211), we get a palindrome (424321123424).

The spelling of 112111012213 in words is "one hundred twelve billion, one hundred eleven million, twelve thousand, two hundred thirteen".

Divisors: 1 293 382631441 112111012213