Base | Representation |
---|---|
bin | 1110001011011101… |
… | …1000010101000001 |
3 | 100211020222101110110 |
4 | 3202313120111001 |
5 | 30243334342020 |
6 | 1425403221533 |
7 | 163214616555 |
oct | 34267302501 |
9 | 10736871413 |
10 | 3806168385 |
11 | 1683534708 |
12 | 8a28178a9 |
13 | 488716c56 |
14 | 2816d9865 |
15 | 1742388e0 |
hex | e2dd8541 |
3806168385 has 16 divisors (see below), whose sum is σ = 6096038400. Its totient is φ = 2027900160.
The previous prime is 3806168381. The next prime is 3806168419. The reversal of 3806168385 is 5838616083.
It is not a de Polignac number, because 3806168385 - 22 = 3806168381 is a prime.
It is not an unprimeable number, because it can be changed into a prime (3806168381) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113160 + ... + 142889.
It is an arithmetic number, because the mean of its divisors is an integer number (381002400).
Almost surely, 23806168385 is an apocalyptic number.
It is an amenable number.
3806168385 is a deficient number, since it is larger than the sum of its proper divisors (2289870015).
3806168385 is a wasteful number, since it uses less digits than its factorization.
3806168385 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 257048.
The product of its (nonzero) digits is 829440, while the sum is 48.
The square root of 3806168385 is about 61694.1519513803. The cubic root of 3806168385 is about 1561.3346545756.
The spelling of 3806168385 in words is "three billion, eight hundred six million, one hundred sixty-eight thousand, three hundred eighty-five".
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