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212143312214223 = 31310515175615707
BaseRepresentation
bin110000001111000101110110…
…110001000001100011001111
31000211010200222011220221211220
4300033011312301001203033
5210301224000411323343
62031105143041414423
762453564020132545
oct6017056661014317
91024120864827756
10212143312214223
11616605231a8915
121b96296603a413
13914b04a80b410
143a55b10aa9d95
15197d503898183
hexc0f176c418cf

212143312214223 has 16 divisors (see below), whose sum is σ = 304905872589696. Its totient is φ = 130425515791200.

The previous prime is 212143312214179. The next prime is 212143312214243. The reversal of 212143312214223 is 322412213341212.

It is not a de Polignac number, because 212143312214223 - 28 = 212143312213967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212143312214243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2587766865 + ... + 2587848842.

It is an arithmetic number, because the mean of its divisors is an integer number (19056617036856).

Almost surely, 2212143312214223 is an apocalyptic number.

212143312214223 is a deficient number, since it is larger than the sum of its proper divisors (92762560375473).

212143312214223 is a wasteful number, since it uses less digits than its factorization.

212143312214223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5175616774.

The product of its digits is 27648, while the sum is 33.

Adding to 212143312214223 its reverse (322412213341212), we get a palindrome (534555525555435).

The spelling of 212143312214223 in words is "two hundred twelve trillion, one hundred forty-three billion, three hundred twelve million, two hundred fourteen thousand, two hundred twenty-three".

Divisors: 1 3 13 39 1051 3153 13663 40989 5175615707 15526847121 67283004191 201849012573 5439572108057 16318716324171 70714437404741 212143312214223