Base | Representation |
---|---|
bin | 10111100111110110… |
… | …10100111000111100 |
3 | 1012201212002010202212 |
4 | 23303323110320330 |
5 | 201433140201030 |
6 | 5454242435552 |
7 | 626165124515 |
oct | 136373247074 |
9 | 35655063685 |
10 | 12682350140 |
11 | 5418946409 |
12 | 255b362bb8 |
13 | 12716343c5 |
14 | 8844bda0c |
15 | 4e3608595 |
hex | 2f3ed4e3c |
12682350140 has 48 divisors (see below), whose sum is σ = 27454111104. Its totient is φ = 4917542400.
The previous prime is 12682350113. The next prime is 12682350143. The reversal of 12682350140 is 4105328621.
It is a junction number, because it is equal to n+sod(n) for n = 12682350097 and 12682350106.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (12682350143) 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, 168920 + ... + 232160.
It is an arithmetic number, because the mean of its divisors is an integer number (571960648).
Almost surely, 212682350140 is an apocalyptic number.
12682350140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12682350140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13727055552).
12682350140 is an abundant number, since it is smaller than the sum of its proper divisors (14771760964).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12682350140 is a wasteful number, since it uses less digits than its factorization.
12682350140 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 63558 (or 63556 counting only the distinct ones).
The product of its (nonzero) digits is 11520, while the sum is 32.
Adding to 12682350140 its reverse (4105328621), we get a palindrome (16787678761).
The spelling of 12682350140 in words is "twelve billion, six hundred eighty-two million, three hundred fifty thousand, one hundred forty".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.077 sec. • engine limits •