Base | Representation |
---|---|
bin | 11000010001010100… |
… | …11001000011011111 |
3 | 1020122002200101100211 |
4 | 30020222121003133 |
5 | 203141214413122 |
6 | 5552551033251 |
7 | 640621101262 |
oct | 141052310337 |
9 | 36562611324 |
10 | 13030232287 |
11 | 5587254416 |
12 | 263796b827 |
13 | 12c8728627 |
14 | 8b8798cd9 |
15 | 513e24877 |
hex | 308a990df |
13030232287 has 2 divisors, whose sum is σ = 13030232288. Its totient is φ = 13030232286.
The previous prime is 13030232273. The next prime is 13030232323. The reversal of 13030232287 is 78223203031.
It is a weak prime.
It is a cyclic number.
It is not a de Polignac number, because 13030232287 - 215 = 13030199519 is a prime.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (13030232207) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6515116143 + 6515116144.
It is an arithmetic number, because the mean of its divisors is an integer number (6515116144).
Almost surely, 213030232287 is an apocalyptic number.
13030232287 is a deficient number, since it is larger than the sum of its proper divisors (1).
13030232287 is an equidigital number, since it uses as much as digits as its factorization.
13030232287 is an evil number, because the sum of its binary digits is even.
The product of its (nonzero) digits is 12096, while the sum is 31.
The spelling of 13030232287 in words is "thirteen billion, thirty million, two hundred thirty-two thousand, two hundred eighty-seven".
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