Base | Representation |
---|---|
bin | 11011101001101010… |
… | …11100000001110101 |
3 | 1102022120121120002102 |
4 | 31310311130001311 |
5 | 220400314124011 |
6 | 10453021151445 |
7 | 1033605663554 |
oct | 156465340165 |
9 | 42276546072 |
10 | 14845067381 |
11 | 6328720931 |
12 | 2a636bb585 |
13 | 1527710c51 |
14 | a0b813d9b |
15 | 5bd40d73b |
hex | 374d5c075 |
14845067381 has 2 divisors, whose sum is σ = 14845067382. Its totient is φ = 14845067380.
The previous prime is 14845067357. The next prime is 14845067423. The reversal of 14845067381 is 18376054841.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 14206494481 + 638572900 = 119191^2 + 25270^2 .
It is an emirp because it is prime and its reverse (18376054841) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 14845067381 - 218 = 14844805237 is a prime.
It is a super-2 number, since 2×148450673812 (a number of 21 digits) contains 22 as substring.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (14845567381) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7422533690 + 7422533691.
It is an arithmetic number, because the mean of its divisors is an integer number (7422533691).
Almost surely, 214845067381 is an apocalyptic number.
It is an amenable number.
14845067381 is a deficient number, since it is larger than the sum of its proper divisors (1).
14845067381 is an equidigital number, since it uses as much as digits as its factorization.
14845067381 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 645120, while the sum is 47.
The spelling of 14845067381 in words is "fourteen billion, eight hundred forty-five million, sixty-seven thousand, three hundred eighty-one".
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