Base | Representation |
---|---|
bin | 1011011001111111101001… |
… | …0111111001001011001000 |
3 | 1122101221001111101000212101 |
4 | 2312133322113321023020 |
5 | 3120433344241321040 |
6 | 42401204040523144 |
7 | 2433033610004236 |
oct | 266377227711310 |
9 | 48357044330771 |
10 | 12541210104520 |
11 | 3aa5774178819 |
12 | 14a66a1a804b4 |
13 | 6cc828511696 |
14 | 314dd7dad956 |
15 | 16b35b8c009a |
hex | b67fa5f92c8 |
12541210104520 has 32 divisors (see below), whose sum is σ = 28218234683520. Its totient is φ = 5016393028800.
The previous prime is 12541210104517. The next prime is 12541210104571. The reversal of 12541210104520 is 2540101214521.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 589806 + ... + 5042845.
It is an arithmetic number, because the mean of its divisors is an integer number (881819833860).
Almost surely, 212541210104520 is an apocalyptic number.
12541210104520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
12541210104520 is an abundant number, since it is smaller than the sum of its proper divisors (15677024579000).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12541210104520 is a wasteful number, since it uses less digits than its factorization.
12541210104520 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5688325 (or 5688321 counting only the distinct ones).
The product of its (nonzero) digits is 3200, while the sum is 28.
The spelling of 12541210104520 in words is "twelve trillion, five hundred forty-one billion, two hundred ten million, one hundred four thousand, five hundred twenty".
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