Base | Representation |
---|---|
bin | 100000001111110… |
… | …0100100101100101 |
3 | 2210102000012212021 |
4 | 1000133210211211 |
5 | 4203444040044 |
6 | 255211223141 |
7 | 35546000602 |
oct | 10037444545 |
9 | 2712005767 |
10 | 1082018149 |
11 | 505853283 |
12 | 262447ab1 |
13 | 143226034 |
14 | a39bb6a9 |
15 | 64ed2e84 |
hex | 407e4965 |
1082018149 has 2 divisors, whose sum is σ = 1082018150. Its totient is φ = 1082018148.
The previous prime is 1082018107. The next prime is 1082018237. The reversal of 1082018149 is 9418102801.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1080108225 + 1909924 = 32865^2 + 1382^2 .
It is an emirp because it is prime and its reverse (9418102801) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1082018149 - 211 = 1082016101 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1082016149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 541009074 + 541009075.
It is an arithmetic number, because the mean of its divisors is an integer number (541009075).
Almost surely, 21082018149 is an apocalyptic number.
It is an amenable number.
1082018149 is a deficient number, since it is larger than the sum of its proper divisors (1).
1082018149 is an equidigital number, since it uses as much as digits as its factorization.
1082018149 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 4608, while the sum is 34.
The square root of 1082018149 is about 32894.0442785620. The cubic root of 1082018149 is about 1026.6242418776.
The spelling of 1082018149 in words is "one billion, eighty-two million, eighteen thousand, one hundred forty-nine".
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