Base | Representation |
---|---|
bin | 1011010111101101101… |
… | …00111101000011110101 |
3 | 1101100102201122112101101 |
4 | 11223312310331003311 |
5 | 22400112130231430 |
6 | 455251334330101 |
7 | 40140421224535 |
oct | 5536664750365 |
9 | 1340381575341 |
10 | 390688133365 |
11 | 1407652a2152 |
12 | 638747b9931 |
13 | 2aac3396b9a |
14 | 14ca35a94c5 |
15 | a269166dca |
hex | 5af6d3d0f5 |
390688133365 has 8 divisors (see below), whose sum is σ = 493500800160. Its totient is φ = 296100479952.
The previous prime is 390688133347. The next prime is 390688133369. The reversal of 390688133365 is 563331886093.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 390688133365 - 25 = 390688133333 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (390688133369) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2056253239 + ... + 2056253428.
It is an arithmetic number, because the mean of its divisors is an integer number (61687600020).
Almost surely, 2390688133365 is an apocalyptic number.
It is an amenable number.
390688133365 is a deficient number, since it is larger than the sum of its proper divisors (102812666795).
390688133365 is a wasteful number, since it uses less digits than its factorization.
390688133365 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4112506691.
The product of its (nonzero) digits is 8398080, while the sum is 55.
The spelling of 390688133365 in words is "three hundred ninety billion, six hundred eighty-eight million, one hundred thirty-three thousand, three hundred sixty-five".
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