Base | Representation |
---|---|
bin | 101010100111010… |
… | …1101010011100101 |
3 | 10200122122102001002 |
4 | 1111032231103211 |
5 | 10412024401244 |
6 | 353520043045 |
7 | 50302052624 |
oct | 12516552345 |
9 | 3618572032 |
10 | 1429918949 |
11 | 6741742a8 |
12 | 33aa63485 |
13 | 19a3258b4 |
14 | d7c9d6bb |
15 | 85804a4e |
hex | 553ad4e5 |
1429918949 has 2 divisors, whose sum is σ = 1429918950. Its totient is φ = 1429918948.
The previous prime is 1429918877. The next prime is 1429918951. The reversal of 1429918949 is 9498199241.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 758176225 + 671742724 = 27535^2 + 25918^2 .
It is an emirp because it is prime and its reverse (9498199241) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1429918949 - 216 = 1429853413 is a prime.
Together with 1429918951, it forms a pair of twin primes.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 1429918894 and 1429918903.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (1429918649) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 714959474 + 714959475.
It is an arithmetic number, because the mean of its divisors is an integer number (714959475).
Almost surely, 21429918949 is an apocalyptic number.
It is an amenable number.
1429918949 is a deficient number, since it is larger than the sum of its proper divisors (1).
1429918949 is an equidigital number, since it uses as much as digits as its factorization.
1429918949 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 1679616, while the sum is 56.
The square root of 1429918949 is about 37814.2691189450. The cubic root of 1429918949 is about 1126.6018856330.
The spelling of 1429918949 in words is "one billion, four hundred twenty-nine million, nine hundred eighteen thousand, nine hundred forty-nine".
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