Base | Representation |
---|---|
bin | 10011111100010101110… |
… | …01011001111110100101 |
3 | 2102111200212022222001201 |
4 | 21332022321121332211 |
5 | 42211322401320420 |
6 | 1242442415122501 |
7 | 100335432533443 |
oct | 11761271317645 |
9 | 2374625288051 |
10 | 685230104485 |
11 | 244671591583 |
12 | b0976213431 |
13 | 4c8034b88b4 |
14 | 2524589bb93 |
15 | 12c5759710a |
hex | 9f8ae59fa5 |
685230104485 has 16 divisors (see below), whose sum is σ = 870711820272. Its totient is φ = 515898547200.
The previous prime is 685230104467. The next prime is 685230104491. The reversal of 685230104485 is 584401032586.
It can be written as a sum of positive squares in 8 ways, for example, as 113910300036 + 571319804449 = 337506^2 + 755857^2 .
It is not a de Polignac number, because 685230104485 - 219 = 685229580197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836155 + ... + 1438615.
It is an arithmetic number, because the mean of its divisors is an integer number (54419488767).
Almost surely, 2685230104485 is an apocalyptic number.
It is an amenable number.
685230104485 is a deficient number, since it is larger than the sum of its proper divisors (185481715787).
685230104485 is a wasteful number, since it uses less digits than its factorization.
685230104485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 615864.
The product of its (nonzero) digits is 921600, while the sum is 46.
The spelling of 685230104485 in words is "six hundred eighty-five billion, two hundred thirty million, one hundred four thousand, four hundred eighty-five".
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