Base | Representation |
---|---|
bin | 10110111010101000… |
… | …10001010101010000 |
3 | 1011202102021211022120 |
4 | 23131110101111100 |
5 | 200144032410300 |
6 | 5352452134240 |
7 | 613610613102 |
oct | 133524212520 |
9 | 34672254276 |
10 | 12303013200 |
11 | 5243803a05 |
12 | 2474307380 |
13 | 1210b78c8a |
14 | 849d77572 |
15 | 4c01773a0 |
hex | 2dd511550 |
12303013200 has 120 divisors (see below), whose sum is σ = 39506325600. Its totient is φ = 3272839680.
The previous prime is 12303013189. The next prime is 12303013207. The reversal of 12303013200 is 231030321.
It is a tau number, because it is divible by the number of its divisors (120).
It is a Harshad number since it is a multiple of its sum of digits (15).
It is a self number, because there is not a number n which added to its sum of digits gives 12303013200.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12303013207) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 490566 + ... + 515034.
It is an arithmetic number, because the mean of its divisors is an integer number (329219380).
Almost surely, 212303013200 is an apocalyptic number.
12303013200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12303013200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19753162800).
12303013200 is an abundant number, since it is smaller than the sum of its proper divisors (27203312400).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12303013200 is a wasteful number, since it uses less digits than its factorization.
12303013200 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 24909 (or 24898 counting only the distinct ones).
The product of its (nonzero) digits is 108, while the sum is 15.
Adding to 12303013200 its reverse (231030321), we get a palindrome (12534043521).
The spelling of 12303013200 in words is "twelve billion, three hundred three million, thirteen thousand, two hundred".
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