Base | Representation |
---|---|
bin | 100000001101011… |
… | …1101001001111101 |
3 | 2210022201201221012 |
4 | 1000122331021331 |
5 | 4203141324221 |
6 | 255125245005 |
7 | 35532500624 |
oct | 10032751175 |
9 | 2708651835 |
10 | 1080808061 |
11 | 5050a7103 |
12 | 261b63765 |
13 | 142bc12c8 |
14 | a37846bb |
15 | 64d4465b |
hex | 406bd27d |
1080808061 has 2 divisors, whose sum is σ = 1080808062. Its totient is φ = 1080808060.
The previous prime is 1080808051. The next prime is 1080808067. The reversal of 1080808061 is 1608080801.
It is a happy number.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1080765625 + 42436 = 32875^2 + 206^2 .
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1080808061 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1080808067) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540404030 + 540404031.
It is an arithmetic number, because the mean of its divisors is an integer number (540404031).
Almost surely, 21080808061 is an apocalyptic number.
It is an amenable number.
1080808061 is a deficient number, since it is larger than the sum of its proper divisors (1).
1080808061 is an equidigital number, since it uses as much as digits as its factorization.
1080808061 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 3072, while the sum is 32.
The square root of 1080808061 is about 32875.6454081133. The cubic root of 1080808061 is about 1026.2413865990.
Adding to 1080808061 its reverse (1608080801), we get a palindrome (2688888862).
The spelling of 1080808061 in words is "one billion, eighty million, eight hundred eight thousand, sixty-one".
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