Base | Representation |
---|---|
bin | 10100000001100001000… |
… | …11110011100110111111 |
3 | 2102202212120011212021202 |
4 | 22000300203303212333 |
5 | 42233020410211114 |
6 | 1244022302250115 |
7 | 100464341630300 |
oct | 12006043634677 |
9 | 2382776155252 |
10 | 688009460159 |
11 | 24586844963a |
12 | b1410b8693b |
13 | 4cb57268358 |
14 | 2542aa6a7a7 |
15 | 12d6b5a4cde |
hex | a0308f39bf |
688009460159 has 6 divisors (see below), whose sum is σ = 800337535344. Its totient is φ = 589722394380.
The previous prime is 688009460141. The next prime is 688009460183. The reversal of 688009460159 is 951064900886.
It is a happy number.
688009460159 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 688009460159 - 216 = 688009394623 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (688009460059) by changing a digit.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7020504647 + ... + 7020504744.
It is an arithmetic number, because the mean of its divisors is an integer number (133389589224).
Almost surely, 2688009460159 is an apocalyptic number.
688009460159 is a deficient number, since it is larger than the sum of its proper divisors (112328075185).
688009460159 is a wasteful number, since it uses less digits than its factorization.
688009460159 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14041009405 (or 14041009398 counting only the distinct ones).
The product of its (nonzero) digits is 3732480, while the sum is 56.
The spelling of 688009460159 in words is "six hundred eighty-eight billion, nine million, four hundred sixty thousand, one hundred fifty-nine".
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