Base | Representation |
---|---|
bin | 101000101101111… |
… | …101000010101001 |
3 | 1202121102212020200 |
4 | 220231331002221 |
5 | 2344340311040 |
6 | 151441542413 |
7 | 22633360440 |
oct | 5055750251 |
9 | 1677385220 |
10 | 683135145 |
11 | 320680600 |
12 | 170944a09 |
13 | ab6b5ca4 |
14 | 66a27d57 |
15 | 3ee90630 |
hex | 28b7d0a9 |
683135145 has 72 divisors (see below), whose sum is σ = 1487548608. Its totient is φ = 283884480.
The previous prime is 683135143. The next prime is 683135203. The reversal of 683135145 is 541531386.
683135145 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 683135145 - 21 = 683135143 is a prime.
It is not an unprimeable number, because it can be changed into a prime (683135143) by changing a digit.
It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 29154 + ... + 47076.
Almost surely, 2683135145 is an apocalyptic number.
It is an amenable number.
683135145 is an abundant number, since it is smaller than the sum of its proper divisors (804413463).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
683135145 is a wasteful number, since it uses less digits than its factorization.
683135145 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 17963 (or 17949 counting only the distinct ones).
The product of its digits is 43200, while the sum is 36.
The square root of 683135145 is about 26136.8541527094. The cubic root of 683135145 is about 880.7153038278.
The spelling of 683135145 in words is "six hundred eighty-three million, one hundred thirty-five thousand, one hundred forty-five".
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