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2143411212 = 223178617601
BaseRepresentation
bin111111111000001…
…1101110000001100
312112101012120102110
41333300131300030
513342203124322
6552404424020
7104054460165
oct17760356014
95471176373
102143411212
119aa999628
124b99a8010
132820aa277
1416494a76c
15c828ec0c
hex7fc1dc0c

2143411212 has 12 divisors (see below), whose sum is σ = 5001292856. Its totient is φ = 714470400.

The previous prime is 2143411211. The next prime is 2143411219. The reversal of 2143411212 is 2121143412.

It is a tau number, because it is divible by the number of its divisors (12).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (2143411211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 89308789 + ... + 89308812.

Almost surely, 22143411212 is an apocalyptic number.

It is an amenable number.

2143411212 is an abundant number, since it is smaller than the sum of its proper divisors (2857881644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2143411212 is a wasteful number, since it uses less digits than its factorization.

2143411212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178617608 (or 178617606 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 2143411212 is about 46296.9892325624. The cubic root of 2143411212 is about 1289.3430968280.

Adding to 2143411212 its reverse (2121143412), we get a palindrome (4264554624).

The spelling of 2143411212 in words is "two billion, one hundred forty-three million, four hundred eleven thousand, two hundred twelve".

Divisors: 1 2 3 4 6 12 178617601 357235202 535852803 714470404 1071705606 2143411212