Base | Representation |
---|---|
bin | 10111101100010011… |
… | …01100000111001010 |
3 | 1012211110022011121000 |
4 | 23312021230013022 |
5 | 202022213412311 |
6 | 5502054355430 |
7 | 630130260102 |
oct | 136611540712 |
9 | 35743264530 |
10 | 12719669706 |
11 | 5437a16127 |
12 | 256b95bb76 |
13 | 127929cba3 |
14 | 889436202 |
15 | 4e6a2b056 |
hex | 2f626c1ca |
12719669706 has 64 divisors (see below), whose sum is σ = 29278448640. Its totient is φ = 4088957760.
The previous prime is 12719669701. The next prime is 12719669707. The reversal of 12719669706 is 60796691721.
12719669706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (54).
It is not an unprimeable number, because it can be changed into a prime (12719669701) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477516 + ... + 503448.
It is an arithmetic number, because the mean of its divisors is an integer number (457475760).
Almost surely, 212719669706 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 12719669706, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14639224320).
12719669706 is an abundant number, since it is smaller than the sum of its proper divisors (16558778934).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
12719669706 is a wasteful number, since it uses less digits than its factorization.
12719669706 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 26268 (or 26262 counting only the distinct ones).
The product of its (nonzero) digits is 1714608, while the sum is 54.
The spelling of 12719669706 in words is "twelve billion, seven hundred nineteen million, six hundred sixty-nine thousand, seven hundred six".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.065 sec. • engine limits •