Base | Representation |
---|---|
bin | 101010100011000… |
… | …0110000100111111 |
3 | 10200111101200212202 |
4 | 1111012012010333 |
5 | 10410440123434 |
6 | 353355422115 |
7 | 50243630213 |
oct | 12506060477 |
9 | 3614350782 |
10 | 1427661119 |
11 | 672971a25 |
12 | 33a15493b |
13 | 199a14cc1 |
14 | d7872943 |
15 | 8550aa7e |
hex | 5518613f |
1427661119 has 2 divisors, whose sum is σ = 1427661120. Its totient is φ = 1427661118.
The previous prime is 1427661107. The next prime is 1427661149. The reversal of 1427661119 is 9111667241.
It is a happy number.
It is a weak prime.
It is an emirp because it is prime and its reverse (9111667241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1427661119 - 28 = 1427660863 is a prime.
It is a super-2 number, since 2×14276611192 = 4076432541408664322, which contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1427661149) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 713830559 + 713830560.
It is an arithmetic number, because the mean of its divisors is an integer number (713830560).
Almost surely, 21427661119 is an apocalyptic number.
1427661119 is a deficient number, since it is larger than the sum of its proper divisors (1).
1427661119 is an equidigital number, since it uses as much as digits as its factorization.
1427661119 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 18144, while the sum is 38.
The square root of 1427661119 is about 37784.4031182180. The cubic root of 1427661119 is about 1126.0086082944.
The spelling of 1427661119 in words is "one billion, four hundred twenty-seven million, six hundred sixty-one thousand, one hundred nineteen".
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