Base | Representation |
---|---|
bin | 100100101010001… |
… | …0001101010001110 |
3 | 10011201120010002211 |
4 | 1021110101222032 |
5 | 10004343130412 |
6 | 322020141034 |
7 | 42324161245 |
oct | 11124215216 |
9 | 3151503084 |
10 | 1230051982 |
11 | 581372295 |
12 | 2a3b3777a |
13 | 167ab7013 |
14 | b951395c |
15 | 72ec4ca7 |
hex | 49511a8e |
1230051982 has 16 divisors (see below), whose sum is σ = 1954567440. Its totient is φ = 578942208.
The previous prime is 1230051973. The next prime is 1230051989. The reversal of 1230051982 is 2891500321.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (1230051989) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97123 + ... + 109054.
It is an arithmetic number, because the mean of its divisors is an integer number (122160465).
Almost surely, 21230051982 is an apocalyptic number.
1230051982 is a deficient number, since it is larger than the sum of its proper divisors (724515458).
1230051982 is a wasteful number, since it uses less digits than its factorization.
1230051982 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 206355.
The product of its (nonzero) digits is 4320, while the sum is 31.
The square root of 1230051982 is about 35072.0969147840. The cubic root of 1230051982 is about 1071.4563631530.
The spelling of 1230051982 in words is "one billion, two hundred thirty million, fifty-one thousand, nine hundred eighty-two".
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