Base | Representation |
---|---|
bin | 111001101010011100… |
… | …0111111101001000000 |
3 | 102211121222111011001221 |
4 | 1303110320333221000 |
5 | 4012101140413231 |
6 | 132515335404424 |
7 | 11642433250261 |
oct | 1632470775100 |
9 | 384558434057 |
10 | 123830794816 |
11 | 48575289a53 |
12 | 1bbba823714 |
13 | b8a5a44471 |
14 | 5dca012968 |
15 | 334b455d11 |
hex | 1cd4e3fa40 |
123830794816 has 21 divisors (see below), whose sum is σ = 245732319939. Its totient is φ = 61913989824.
The previous prime is 123830794811. The next prime is 123830794831. The reversal of 123830794816 is 618497038321.
The square root of 123830794816 is 351896.
It is a perfect power (a square), and thus also a powerful number.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (123830794811) by changing a digit.
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 2 ways as a sum of consecutive naturals, for example, 2793175 + ... + 2837161.
Almost surely, 2123830794816 is an apocalyptic number.
123830794816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.
123830794816 is the 351896-th square number.
It is an amenable number.
123830794816 is a deficient number, since it is larger than the sum of its proper divisors (121901525123).
123830794816 is an frugal number, since it uses more digits than its factorization.
123830794816 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 87986 (or 43989 counting only the distinct ones).
The product of its (nonzero) digits is 1741824, while the sum is 52.
The spelling of 123830794816 in words is "one hundred twenty-three billion, eight hundred thirty million, seven hundred ninety-four thousand, eight hundred sixteen".
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