Base | Representation |
---|---|
bin | 111001010100101110… |
… | …0110111111101000100 |
3 | 102202202012010200122220 |
4 | 1302221130313331010 |
5 | 4004103103044022 |
6 | 132315143052340 |
7 | 11615403521652 |
oct | 1625134677504 |
9 | 382665120586 |
10 | 123102003012 |
11 | 4823096497a |
12 | 1ba367410b0 |
13 | b7baa64001 |
14 | 5d5b301dd2 |
15 | 330749785c |
hex | 1ca9737f44 |
123102003012 has 24 divisors (see below), whose sum is σ = 287250952800. Its totient is φ = 41032151616.
The previous prime is 123102002999. The next prime is 123102003077. The reversal of 123102003012 is 210300201321.
It is a junction number, because it is equal to n+sod(n) for n = 123102002982 and 123102003000.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60939 + ... + 499917.
It is an arithmetic number, because the mean of its divisors is an integer number (11968789700).
Almost surely, 2123102003012 is an apocalyptic number.
123102003012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
123102003012 is an abundant number, since it is smaller than the sum of its proper divisors (164148949788).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
123102003012 is a wasteful number, since it uses less digits than its factorization.
123102003012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 462355 (or 462353 counting only the distinct ones).
The product of its (nonzero) digits is 72, while the sum is 15.
Adding to 123102003012 its reverse (210300201321), we get a palindrome (333402204333).
The spelling of 123102003012 in words is "one hundred twenty-three billion, one hundred two million, three thousand, twelve".
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