Base | Representation |
---|---|
bin | 10011111100101011010… |
… | …01100001000001111001 |
3 | 2102112011102202102022222 |
4 | 21332111221201001321 |
5 | 42212210041112231 |
6 | 1242512341253425 |
7 | 100343053011260 |
oct | 11762551410171 |
9 | 2375142672288 |
10 | 685410488441 |
11 | 244754396728 |
12 | b0a06704275 |
13 | 4c831995473 |
14 | 252618155d7 |
15 | 12c6832927b |
hex | 9f95a61079 |
685410488441 has 16 divisors (see below), whose sum is σ = 810365472000. Its totient is φ = 567216702528.
The previous prime is 685410488419. The next prime is 685410488447. The reversal of 685410488441 is 144884014586.
It is a happy number.
685410488441 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is not a de Polignac number, because 685410488441 - 210 = 685410487417 is a prime.
It is a super-2 number, since 2×6854104884412 (a number of 24 digits) contains 22 as substring.
It is not an unprimeable number, because it can be changed into a prime (685410488447) 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, 11033135 + ... + 11095083.
It is an arithmetic number, because the mean of its divisors is an integer number (50647842000).
Almost surely, 2685410488441 is an apocalyptic number.
It is an amenable number.
685410488441 is a deficient number, since it is larger than the sum of its proper divisors (124954983559).
685410488441 is a wasteful number, since it uses less digits than its factorization.
685410488441 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 116488.
The product of its (nonzero) digits is 3932160, while the sum is 53.
The spelling of 685410488441 in words is "six hundred eighty-five billion, four hundred ten million, four hundred eighty-eight thousand, four hundred forty-one".
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