Base | Representation |
---|---|
bin | 11001000011111101… |
… | …11011001000010011 |
3 | 1021201201001010001011 |
4 | 30201332323020103 |
5 | 210023442421024 |
6 | 10103044151351 |
7 | 654266665564 |
oct | 144176731023 |
9 | 37651033034 |
10 | 13455045139 |
11 | 5785027618 |
12 | 2736098557 |
13 | 1365746b93 |
14 | 918d7c16b |
15 | 53b38a094 |
hex | 321fbb213 |
13455045139 has 2 divisors, whose sum is σ = 13455045140. Its totient is φ = 13455045138.
The previous prime is 13455045127. The next prime is 13455045193. The reversal of 13455045139 is 93154055431.
It is a happy number.
Together with next prime (13455045193) it forms an Ormiston pair, because they use the same digits, order apart.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13455045139 - 221 = 13452947987 is a prime.
It is not a weakly prime, because it can be changed into another prime (13455045119) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6727522569 + 6727522570.
It is an arithmetic number, because the mean of its divisors is an integer number (6727522570).
Almost surely, 213455045139 is an apocalyptic number.
13455045139 is a deficient number, since it is larger than the sum of its proper divisors (1).
13455045139 is an equidigital number, since it uses as much as digits as its factorization.
13455045139 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 162000, while the sum is 40.
The spelling of 13455045139 in words is "thirteen billion, four hundred fifty-five million, forty-five thousand, one hundred thirty-nine".
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