Base | Representation |
---|---|
bin | 10110101110011000… |
… | …11110001000111111 |
3 | 1011111021000201110010 |
4 | 23113030132020333 |
5 | 144441234231330 |
6 | 5334342514303 |
7 | 611222611650 |
oct | 132714361077 |
9 | 34437021403 |
10 | 12200305215 |
11 | 51a083297a |
12 | 2445a35993 |
13 | 11c57c7a17 |
14 | 83a47d527 |
15 | 4b613a3b0 |
hex | 2d731e23f |
12200305215 has 16 divisors (see below), whose sum is σ = 22309129728. Its totient is φ = 5577282336.
The previous prime is 12200305157. The next prime is 12200305217. The reversal of 12200305215 is 51250300221.
It is not a de Polignac number, because 12200305215 - 216 = 12200239679 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 12200305191 and 12200305200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12200305217) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58096587 + ... + 58096796.
It is an arithmetic number, because the mean of its divisors is an integer number (1394320608).
Almost surely, 212200305215 is an apocalyptic number.
12200305215 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
12200305215 is a deficient number, since it is larger than the sum of its proper divisors (10108824513).
12200305215 is a wasteful number, since it uses less digits than its factorization.
12200305215 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116193398.
The product of its (nonzero) digits is 600, while the sum is 21.
Adding to 12200305215 its reverse (51250300221), we get a palindrome (63450605436).
The spelling of 12200305215 in words is "twelve billion, two hundred million, three hundred five thousand, two hundred fifteen".
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