Base | Representation |
---|---|
bin | 111111100000111… |
… | …1011111110001110 |
3 | 12111112020220022002 |
4 | 1333001323332032 |
5 | 13331042323342 |
6 | 551251152302 |
7 | 103546010354 |
oct | 17701737616 |
9 | 5445226262 |
10 | 2131214222 |
11 | 9a4018875 |
12 | 4b58a5692 |
13 | 27c6c9707 |
14 | 1630937d4 |
15 | c7180d32 |
hex | 7f07bf8e |
2131214222 has 8 divisors (see below), whose sum is σ = 3197019672. Its totient is φ = 1065541000.
The previous prime is 2131214213. The next prime is 2131214227. The reversal of 2131214222 is 2224121312.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a junction number, because it is equal to n+sod(n) for n = 2131214194 and 2131214203.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2131214227) 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, 36572 + ... + 74832.
It is an arithmetic number, because the mean of its divisors is an integer number (399627459).
Almost surely, 22131214222 is an apocalyptic number.
2131214222 is a deficient number, since it is larger than the sum of its proper divisors (1065805450).
2131214222 is a wasteful number, since it uses less digits than its factorization.
2131214222 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 66114.
The product of its digits is 384, while the sum is 20.
The square root of 2131214222 is about 46165.0757824570. The cubic root of 2131214222 is about 1286.8927925330.
Adding to 2131214222 its reverse (2224121312), we get a palindrome (4355335534).
The spelling of 2131214222 in words is "two billion, one hundred thirty-one million, two hundred fourteen thousand, two hundred twenty-two".
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