Base | Representation |
---|---|
bin | 10110101110011111… |
… | …01011100011000000 |
3 | 1011111022121110120001 |
4 | 23113033223203000 |
5 | 144441443142220 |
6 | 5334412525344 |
7 | 611233014601 |
oct | 132717534300 |
9 | 34438543501 |
10 | 12201146560 |
11 | 51a1257aa9 |
12 | 2446180854 |
13 | 11c5a30965 |
14 | 83a61bda8 |
15 | 4b625480a |
hex | 2d73eb8c0 |
12201146560 has 28 divisors (see below), whose sum is σ = 29053981008. Its totient is φ = 4880458496.
The previous prime is 12201146557. The next prime is 12201146567. The reversal of 12201146560 is 6564110221.
It is not an unprimeable number, because it can be changed into a prime (12201146567) 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, 19063972 + ... + 19064611.
Almost surely, 212201146560 is an apocalyptic number.
12201146560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12201146560 is an abundant number, since it is smaller than the sum of its proper divisors (16852834448).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12201146560 is an equidigital number, since it uses as much as digits as its factorization.
12201146560 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 38128600 (or 38128590 counting only the distinct ones).
The product of its (nonzero) digits is 2880, while the sum is 28.
Adding to 12201146560 its reverse (6564110221), we get a palindrome (18765256781).
The spelling of 12201146560 in words is "twelve billion, two hundred one million, one hundred forty-six thousand, five hundred sixty".
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