Base | Representation |
---|---|
bin | 10110101110100011… |
… | …00001001101001010 |
3 | 1011111100111221122022 |
4 | 23113101201031022 |
5 | 144442104102430 |
6 | 5334431124442 |
7 | 611240062622 |
oct | 132721411512 |
9 | 34440457568 |
10 | 12201628490 |
11 | 51a1557097 |
12 | 2446373722 |
13 | 11c5b6c11c |
14 | 83a705882 |
15 | 4b62ec4e5 |
hex | 2d746134a |
12201628490 has 16 divisors (see below), whose sum is σ = 22720274280. Its totient is φ = 4712352960.
The previous prime is 12201628471. The next prime is 12201628511. The reversal of 12201628490 is 9482610221.
It can be written as a sum of positive squares in 4 ways, for example, as 9103258921 + 3098369569 = 95411^2 + 55663^2 .
It is a self number, because there is not a number n which added to its sum of digits gives 12201628490.
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, 21037001 + ... + 21037580.
Almost surely, 212201628490 is an apocalyptic number.
12201628490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
12201628490 is a deficient number, since it is larger than the sum of its proper divisors (10518645790).
12201628490 is a wasteful number, since it uses less digits than its factorization.
12201628490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 42074617.
The product of its (nonzero) digits is 13824, while the sum is 35.
The spelling of 12201628490 in words is "twelve billion, two hundred one million, six hundred twenty-eight thousand, four hundred ninety".
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