Base | Representation |
---|---|
bin | 11110000110011100… |
… | …10010011001011101 |
3 | 1112201020021102220012 |
4 | 33003032102121131 |
5 | 231044003020011 |
6 | 11231321133005 |
7 | 1111315320326 |
oct | 170316223135 |
9 | 45636242805 |
10 | 16160204381 |
11 | 6943017812 |
12 | 317002a165 |
13 | 16a7018a19 |
14 | ad435544d |
15 | 648adda8b |
hex | 3c339265d |
16160204381 has 2 divisors, whose sum is σ = 16160204382. Its totient is φ = 16160204380.
The previous prime is 16160204351. The next prime is 16160204413. The reversal of 16160204381 is 18340206161.
It is an a-pointer prime, because the next prime (16160204413) can be obtained adding 16160204381 to its sum of digits (32).
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 11850281881 + 4309922500 = 108859^2 + 65650^2 .
It is a cyclic number.
It is not a de Polignac number, because 16160204381 - 210 = 16160203357 is a prime.
It is a super-2 number, since 2×161602043812 (a number of 21 digits) contains 22 as substring.
It is a Sophie Germain prime.
It is a Curzon number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (16160204341) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8080102190 + 8080102191.
It is an arithmetic number, because the mean of its divisors is an integer number (8080102191).
Almost surely, 216160204381 is an apocalyptic number.
It is an amenable number.
16160204381 is a deficient number, since it is larger than the sum of its proper divisors (1).
16160204381 is an equidigital number, since it uses as much as digits as its factorization.
16160204381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 6912, while the sum is 32.
The spelling of 16160204381 in words is "sixteen billion, one hundred sixty million, two hundred four thousand, three hundred eighty-one".
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