Base | Representation |
---|---|
bin | 111001010100101111… |
… | …0000101101010110010 |
3 | 102202202012201212022110 |
4 | 1302221132011222302 |
5 | 4004103143240310 |
6 | 132315153550150 |
7 | 11615406316002 |
oct | 1625136055262 |
9 | 382665655273 |
10 | 123102321330 |
11 | 4823106204a |
12 | 1ba36875356 |
13 | b7bab45b71 |
14 | 5d5b386002 |
15 | 330750bd20 |
hex | 1ca9785ab2 |
123102321330 has 32 divisors (see below), whose sum is σ = 297602118144. Its totient is φ = 32587669376.
The previous prime is 123102321253. The next prime is 123102321361. The reversal of 123102321330 is 33123201321.
It is a junction number, because it is equal to n+sod(n) for n = 123102321297 and 123102321306.
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 15 ways as a sum of consecutive naturals, for example, 14971842 + ... + 14980061.
It is an arithmetic number, because the mean of its divisors is an integer number (9300066192).
Almost surely, 2123102321330 is an apocalyptic number.
123102321330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
123102321330 is an abundant number, since it is smaller than the sum of its proper divisors (174499796814).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123102321330 is a wasteful number, since it uses less digits than its factorization.
123102321330 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 29952050.
The product of its (nonzero) digits is 648, while the sum is 21.
Adding to 123102321330 its reverse (33123201321), we get a palindrome (156225522651).
The spelling of 123102321330 in words is "one hundred twenty-three billion, one hundred two million, three hundred twenty-one thousand, three hundred thirty".
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