Base | Representation |
---|---|
bin | 10111111000010000… |
… | …00011110011010110 |
3 | 1020002102220200121002 |
4 | 23330020003303112 |
5 | 202223343441000 |
6 | 5520035023302 |
7 | 632455254341 |
oct | 137410036326 |
9 | 36072820532 |
10 | 12819905750 |
11 | 5489558a33 |
12 | 259943ab32 |
13 | 1293c96c62 |
14 | 898889458 |
15 | 50072a8d5 |
hex | 2fc203cd6 |
12819905750 has 16 divisors (see below), whose sum is σ = 23998864032. Its totient is φ = 5127962200.
The previous prime is 12819905741. The next prime is 12819905767. The reversal of 12819905750 is 5750991821.
It is a happy number.
12819905750 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 = 12819905695 and 12819905704.
It is a congruent number.
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, 25639562 + ... + 25640061.
It is an arithmetic number, because the mean of its divisors is an integer number (1499929002).
Almost surely, 212819905750 is an apocalyptic number.
12819905750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12819905750 is a deficient number, since it is larger than the sum of its proper divisors (11178958282).
12819905750 is an equidigital number, since it uses as much as digits as its factorization.
12819905750 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 51279640 (or 51279630 counting only the distinct ones).
The product of its (nonzero) digits is 226800, while the sum is 47.
The spelling of 12819905750 in words is "twelve billion, eight hundred nineteen million, nine hundred five thousand, seven hundred fifty".
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