Base | Representation |
---|---|
bin | 10011110000111100… |
… | …010011101100001010 |
3 | 2000210000022222121102 |
4 | 103300330103230022 |
5 | 321430341212224 |
6 | 13425505341402 |
7 | 1350622545164 |
oct | 236074235412 |
9 | 60700288542 |
10 | 21222210314 |
11 | 9000425798 |
12 | 4143337862 |
13 | 20029775c6 |
14 | 1054757934 |
15 | 8431e24ae |
hex | 4f0f13b0a |
21222210314 has 8 divisors (see below), whose sum is σ = 31833985728. Its totient is φ = 10610881740.
The previous prime is 21222210311. The next prime is 21222210337. The reversal of 21222210314 is 41301222212.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×212222103142 (a number of 21 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (21222210311) 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, 59519 + ... + 214445.
It is an arithmetic number, because the mean of its divisors is an integer number (3979248216).
Almost surely, 221222210314 is an apocalyptic number.
21222210314 is a deficient number, since it is larger than the sum of its proper divisors (10611775414).
21222210314 is a wasteful number, since it uses less digits than its factorization.
21222210314 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 223420.
The product of its (nonzero) digits is 384, while the sum is 20.
Adding to 21222210314 its reverse (41301222212), we get a palindrome (62523432526).
The spelling of 21222210314 in words is "twenty-one billion, two hundred twenty-two million, two hundred ten thousand, three hundred fourteen".
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