Base | Representation |
---|---|
bin | 100000011101111111000… |
… | …110011100101000111110 |
3 | 21220022011120212100202222 |
4 | 200131333012130220332 |
5 | 243024014412020410 |
6 | 4425001501045342 |
7 | 320125502450111 |
oct | 40357706345076 |
9 | 7808146770688 |
10 | 2231220423230 |
11 | 790289841057 |
12 | 300513256852 |
13 | 132531a40a56 |
14 | 79dc5104578 |
15 | 3d08c29c955 |
hex | 2077f19ca3e |
2231220423230 has 32 divisors (see below), whose sum is σ = 4270088702880. Its totient is φ = 836503418880.
The previous prime is 2231220423217. The next prime is 2231220423233. The reversal of 2231220423230 is 323240221322.
It is a happy number.
It is a super-3 number, since 3×22312204232303 (a number of 38 digits) contains 333 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 2231220423230.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2231220423233) 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, 27188960 + ... + 27270899.
It is an arithmetic number, because the mean of its divisors is an integer number (133440271965).
Almost surely, 22231220423230 is an apocalyptic number.
2231220423230 is a deficient number, since it is larger than the sum of its proper divisors (2038868279650).
2231220423230 is a wasteful number, since it uses less digits than its factorization.
2231220423230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 54460124.
The product of its (nonzero) digits is 6912, while the sum is 26.
Adding to 2231220423230 its reverse (323240221322), we get a palindrome (2554460644552).
The spelling of 2231220423230 in words is "two trillion, two hundred thirty-one billion, two hundred twenty million, four hundred twenty-three thousand, two hundred thirty".
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