Base | Representation |
---|---|
bin | 111111110111110… |
… | …1101001010110110 |
3 | 12112100211110110011 |
4 | 1333233231022312 |
5 | 13342130242324 |
6 | 552400250434 |
7 | 104053001053 |
oct | 17757551266 |
9 | 5470743404 |
10 | 2143212214 |
11 | 9aa873070 |
12 | 4b9910a1a |
13 | 28203a810 |
14 | 1648d802a |
15 | c8250c94 |
hex | 7fbed2b6 |
2143212214 has 32 divisors (see below), whose sum is σ = 3833254656. Its totient is φ = 885820320.
The previous prime is 2143212209. The next prime is 2143212221. The reversal of 2143212214 is 4122123412.
It is a Harshad number since it is a multiple of its sum of digits (22).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36762 + ... + 75085.
It is an arithmetic number, because the mean of its divisors is an integer number (119789208).
Almost surely, 22143212214 is an apocalyptic number.
2143212214 is a deficient number, since it is larger than the sum of its proper divisors (1690042442).
2143212214 is a wasteful number, since it uses less digits than its factorization.
2143212214 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 111940.
The product of its digits is 768, while the sum is 22.
The square root of 2143212214 is about 46294.8400364447. The cubic root of 2143212214 is about 1289.3031939795.
Adding to 2143212214 its reverse (4122123412), we get a palindrome (6265335626).
The spelling of 2143212214 in words is "two billion, one hundred forty-three million, two hundred twelve thousand, two hundred fourteen".
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