Base | Representation |
---|---|
bin | 101000100101100… |
… | …0110001001001010 |
3 | 10111220120211011100 |
4 | 1101023012021022 |
5 | 10242114110432 |
6 | 343045242230 |
7 | 45514434525 |
oct | 12113061112 |
9 | 3456524140 |
10 | 1361863242 |
11 | 639811013 |
12 | 320103376 |
13 | 1891b804c |
14 | ccc25bbc |
15 | 7e86007c |
hex | 512c624a |
1361863242 has 24 divisors (see below), whose sum is σ = 2958151716. Its totient is φ = 452808576.
The previous prime is 1361863241. The next prime is 1361863259. The reversal of 1361863242 is 2423681631.
1361863242 is a `hidden beast` number, since 1 + 3 + 6 + 18 + 632 + 4 + 2 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 1346816601 + 15046641 = 36699^2 + 3879^2 .
It is a junction number, because it is equal to n+sod(n) for n = 1361863197 and 1361863206.
It is not an unprimeable number, because it can be changed into a prime (1361863241) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 88143 + ... + 102434.
Almost surely, 21361863242 is an apocalyptic number.
1361863242 is an abundant number, since it is smaller than the sum of its proper divisors (1596288474).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
1361863242 is a wasteful number, since it uses less digits than its factorization.
1361863242 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 190982 (or 190979 counting only the distinct ones).
The product of its digits is 41472, while the sum is 36.
The square root of 1361863242 is about 36903.4313038774. The cubic root of 1361863242 is about 1108.4373873225.
The spelling of 1361863242 in words is "one billion, three hundred sixty-one million, eight hundred sixty-three thousand, two hundred forty-two".
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