Base | Representation |
---|---|
bin | 10111000110010111… |
… | …00101100011001100 |
3 | 1012000021102101122120 |
4 | 23203023211203030 |
5 | 200344224300022 |
6 | 5410325012540 |
7 | 616214106111 |
oct | 134313454314 |
9 | 35007371576 |
10 | 12401400012 |
11 | 52942a3421 |
12 | 24a1254150 |
13 | 1228376421 |
14 | 859068908 |
15 | 4c8b0dd5c |
hex | 2e32e58cc |
12401400012 has 24 divisors (see below), whose sum is σ = 28972302912. Its totient is φ = 4128699600.
The previous prime is 12401399999. The next prime is 12401400029. The reversal of 12401400012 is 21000410421.
12401400012 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a junction number, because it is equal to n+sod(n) for n = 12401399964 and 12401400000.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 627414 + ... + 646877.
It is an arithmetic number, because the mean of its divisors is an integer number (1207179288).
Almost surely, 212401400012 is an apocalyptic number.
12401400012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
12401400012 is an abundant number, since it is smaller than the sum of its proper divisors (16570902900).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12401400012 is a wasteful number, since it uses less digits than its factorization.
12401400012 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1275109 (or 1275107 counting only the distinct ones).
The product of its (nonzero) digits is 64, while the sum is 15.
Adding to 12401400012 its reverse (21000410421), we get a palindrome (33401810433).
The spelling of 12401400012 in words is "twelve billion, four hundred one million, four hundred thousand, twelve".
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