Base | Representation |
---|---|
bin | 101000100010000… |
… | …110111110100000 |
3 | 1202101121002221110 |
4 | 220202012332200 |
5 | 2343041430422 |
6 | 151251223320 |
7 | 22565106036 |
oct | 5042067640 |
9 | 1671532843 |
10 | 680030112 |
11 | 31994a763 |
12 | 16b8a7b40 |
13 | aab698a8 |
14 | 6645a556 |
15 | 3ea7a60c |
hex | 28886fa0 |
680030112 has 48 divisors (see below), whose sum is σ = 1790897472. Its totient is φ = 225937920.
The previous prime is 680030111. The next prime is 680030137. The reversal of 680030112 is 211030086.
It is a tau number, because it is divible by the number of its divisors (48).
It is not an unprimeable number, because it can be changed into a prime (680030111) 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, 18468 + ... + 41244.
It is an arithmetic number, because the mean of its divisors is an integer number (37310364).
Almost surely, 2680030112 is an apocalyptic number.
It is an amenable number.
680030112 is an abundant number, since it is smaller than the sum of its proper divisors (1110867360).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
680030112 is a wasteful number, since it uses less digits than its factorization.
680030112 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 23101 (or 23093 counting only the distinct ones).
The product of its (nonzero) digits is 288, while the sum is 21.
The square root of 680030112 is about 26077.3869856625. The cubic root of 680030112 is about 879.3789143709.
Adding to 680030112 its reverse (211030086), we get a palindrome (891060198).
The spelling of 680030112 in words is "six hundred eighty million, thirty thousand, one hundred twelve".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •