Base | Representation |
---|---|
bin | 101010010001011… |
… | …0001000110010101 |
3 | 10122211222012012212 |
4 | 1110202301012111 |
5 | 10401102301044 |
6 | 352425123205 |
7 | 50102126255 |
oct | 12442610625 |
9 | 3584865185 |
10 | 1418400149 |
11 | 668717031 |
12 | 337029505 |
13 | 197b2193a |
14 | d6541965 |
15 | 847cba9e |
hex | 548b1195 |
1418400149 has 2 divisors, whose sum is σ = 1418400150. Its totient is φ = 1418400148.
The previous prime is 1418400119. The next prime is 1418400167. The reversal of 1418400149 is 9410048141.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1244819524 + 173580625 = 35282^2 + 13175^2 .
It is a cyclic number.
It is not a de Polignac number, because 1418400149 - 28 = 1418399893 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1418400119) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709200074 + 709200075.
It is an arithmetic number, because the mean of its divisors is an integer number (709200075).
Almost surely, 21418400149 is an apocalyptic number.
It is an amenable number.
1418400149 is a deficient number, since it is larger than the sum of its proper divisors (1).
1418400149 is an equidigital number, since it uses as much as digits as its factorization.
1418400149 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 4608, while the sum is 32.
The square root of 1418400149 is about 37661.6535616799. The cubic root of 1418400149 is about 1123.5685891082.
The spelling of 1418400149 in words is "one billion, four hundred eighteen million, four hundred thousand, one hundred forty-nine".
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