Base | Representation |
---|---|
bin | 11011101110100100… |
… | …11010110010011101 |
3 | 1102102110001021101002 |
4 | 31313102122302131 |
5 | 220441333001114 |
6 | 10501051200045 |
7 | 1034615526062 |
oct | 156722326235 |
9 | 42373037332 |
10 | 14886218909 |
11 | 6349978661 |
12 | 2a75446025 |
13 | 15330bb973 |
14 | a13086c69 |
15 | 5c1d3b7de |
hex | 37749ac9d |
14886218909 has 2 divisors, whose sum is σ = 14886218910. Its totient is φ = 14886218908.
The previous prime is 14886218849. The next prime is 14886218923. The reversal of 14886218909 is 90981268841.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 14746459225 + 139759684 = 121435^2 + 11822^2 .
It is an emirp because it is prime and its reverse (90981268841) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14886218909 - 28 = 14886218653 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14886218609) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7443109454 + 7443109455.
It is an arithmetic number, because the mean of its divisors is an integer number (7443109455).
Almost surely, 214886218909 is an apocalyptic number.
It is an amenable number.
14886218909 is a deficient number, since it is larger than the sum of its proper divisors (1).
14886218909 is an equidigital number, since it uses as much as digits as its factorization.
14886218909 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 1990656, while the sum is 56.
The spelling of 14886218909 in words is "fourteen billion, eight hundred eighty-six million, two hundred eighteen thousand, nine hundred nine".
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