Base | Representation |
---|---|
bin | 11000010011010100… |
… | …11011011110110101 |
3 | 1020200021021021000102 |
4 | 30021222123132311 |
5 | 203210014110240 |
6 | 5554350523445 |
7 | 641213556365 |
oct | 141152333665 |
9 | 36607237012 |
10 | 13047019445 |
11 | 559577a8a9 |
12 | 2641506585 |
13 | 12cc055565 |
14 | 8baac89a5 |
15 | 51563d815 |
hex | 309a9b7b5 |
13047019445 has 32 divisors (see below), whose sum is σ = 16906143744. Its totient is φ = 9637689600.
The previous prime is 13047019423. The next prime is 13047019459. The reversal of 13047019445 is 54491074031.
It is not a de Polignac number, because 13047019445 - 210 = 13047018421 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 13047019399 and 13047019408.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1496519 + ... + 1505211.
It is an arithmetic number, because the mean of its divisors is an integer number (528316992).
Almost surely, 213047019445 is an apocalyptic number.
It is an amenable number.
13047019445 is a deficient number, since it is larger than the sum of its proper divisors (3859124299).
13047019445 is a wasteful number, since it uses less digits than its factorization.
13047019445 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 9173.
The product of its (nonzero) digits is 60480, while the sum is 38.
The spelling of 13047019445 in words is "thirteen billion, forty-seven million, nineteen thousand, four hundred forty-five".
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