Base | Representation |
---|---|
bin | 111001011101010000… |
… | …1111101010011101010 |
3 | 102210111011022200221110 |
4 | 1302322201331103222 |
5 | 4010144432021310 |
6 | 132403420451150 |
7 | 11625453233025 |
oct | 1627241752352 |
9 | 383434280843 |
10 | 123388548330 |
11 | 48368689693 |
12 | 1bab66a9ab6 |
13 | b835230958 |
14 | 5d873b21bc |
15 | 33226e9d20 |
hex | 1cba87d4ea |
123388548330 has 32 divisors (see below), whose sum is σ = 299185435584. Its totient is φ = 32564399616.
The previous prime is 123388548323. The next prime is 123388548401. The reversal of 123388548330 is 33845883321.
It is a self number, because there is not a number n which added to its sum of digits gives 123388548330.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21197872 + ... + 21203691.
It is an arithmetic number, because the mean of its divisors is an integer number (9349544862).
Almost surely, 2123388548330 is an apocalyptic number.
123388548330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123388548330 is an abundant number, since it is smaller than the sum of its proper divisors (175796887254).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123388548330 is a wasteful number, since it uses less digits than its factorization.
123388548330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42401670.
The product of its (nonzero) digits is 1658880, while the sum is 48.
The spelling of 123388548330 in words is "one hundred twenty-three billion, three hundred eighty-eight million, five hundred forty-eight thousand, three hundred thirty".
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