Base | Representation |
---|---|
bin | 111100100010001… |
… | …1111110111010110 |
3 | 12020120002210001222 |
4 | 1321010133313112 |
5 | 13124443102410 |
6 | 533320050342 |
7 | 101223050462 |
oct | 17104376726 |
9 | 5216083058 |
10 | 2031222230 |
11 | 952632364 |
12 | 4883039b2 |
13 | 264a8975b |
14 | 153aa54a2 |
15 | bd4cd955 |
hex | 7911fdd6 |
2031222230 has 16 divisors (see below), whose sum is σ = 3815165664. Its totient is φ = 777163200.
The previous prime is 2031222187. The next prime is 2031222257. The reversal of 2031222230 is 322221302.
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 2031222199 and 2031222208.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4415471 + ... + 4415930.
It is an arithmetic number, because the mean of its divisors is an integer number (238447854).
Almost surely, 22031222230 is an apocalyptic number.
2031222230 is a deficient number, since it is larger than the sum of its proper divisors (1783943434).
2031222230 is a wasteful number, since it uses less digits than its factorization.
2031222230 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8831431.
The product of its (nonzero) digits is 288, while the sum is 17.
The square root of 2031222230 is about 45069.0828617579. The cubic root of 2031222230 is about 1266.4434833773.
Adding to 2031222230 its reverse (322221302), we get a palindrome (2353443532).
The spelling of 2031222230 in words is "two billion, thirty-one million, two hundred twenty-two thousand, two hundred thirty".
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