Base | Representation |
---|---|
bin | 11001101110100011… |
… | …01010110110010010 |
3 | 1022122121020120010200 |
4 | 30313101222312102 |
5 | 211241420440342 |
6 | 10202325040030 |
7 | 666165310002 |
oct | 146721526622 |
9 | 38577216120 |
10 | 13812280722 |
11 | 5948743a39 |
12 | 2815856016 |
13 | 13c1764596 |
14 | 9505b0002 |
15 | 55c90294c |
hex | 33746ad92 |
13812280722 has 48 divisors (see below), whose sum is σ = 30056048568. Its totient is φ = 4584222720.
The previous prime is 13812280721. The next prime is 13812280753. The reversal of 13812280722 is 22708221831.
It can be written as a sum of positive squares in 4 ways, for example, as 11404317681 + 2407963041 = 106791^2 + 49071^2 .
It is not an unprimeable number, because it can be changed into a prime (13812280721) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6054222 + ... + 6056502.
Almost surely, 213812280722 is an apocalyptic number.
13812280722 is an abundant number, since it is smaller than the sum of its proper divisors (16243767846).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
13812280722 is a wasteful number, since it uses less digits than its factorization.
13812280722 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3595 (or 3592 counting only the distinct ones).
The product of its (nonzero) digits is 21504, while the sum is 36.
The spelling of 13812280722 in words is "thirteen billion, eight hundred twelve million, two hundred eighty thousand, seven hundred twenty-two".
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