Base | Representation |
---|---|
bin | 10110110100010101… |
… | …10100010010111000 |
3 | 1011121201220210210002 |
4 | 23122022310102320 |
5 | 200042023001240 |
6 | 5343324212132 |
7 | 612400003325 |
oct | 133212642270 |
9 | 34551823702 |
10 | 12250203320 |
11 | 5216a14083 |
12 | 245a69a048 |
13 | 1202c48924 |
14 | 842d4bb4c |
15 | 4ba6e4d15 |
hex | 2da2b44b8 |
12250203320 has 16 divisors (see below), whose sum is σ = 27562957560. Its totient is φ = 4900081312.
The previous prime is 12250203293. The next prime is 12250203323. The reversal of 12250203320 is 2330205221.
It is a Harshad number since it is a multiple of its sum of digits (20).
It is a junction number, because it is equal to n+sod(n) for n = 12250203292 and 12250203301.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12250203323) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 153127502 + ... + 153127581.
Almost surely, 212250203320 is an apocalyptic number.
12250203320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12250203320 is an abundant number, since it is smaller than the sum of its proper divisors (15312754240).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12250203320 is a wasteful number, since it uses less digits than its factorization.
12250203320 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 306255094 (or 306255090 counting only the distinct ones).
The product of its (nonzero) digits is 720, while the sum is 20.
Adding to 12250203320 its reverse (2330205221), we get a palindrome (14580408541).
The spelling of 12250203320 in words is "twelve billion, two hundred fifty million, two hundred three thousand, three hundred twenty".
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