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12719669706 = 2333129325933
BaseRepresentation
bin10111101100010011…
…01100000111001010
31012211110022011121000
423312021230013022
5202022213412311
65502054355430
7630130260102
oct136611540712
935743264530
1012719669706
115437a16127
12256b95bb76
13127929cba3
14889436202
154e6a2b056
hex2f626c1ca

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".

Divisors: 1 2 3 6 9 18 27 31 54 62 93 186 279 293 558 586 837 879 1674 1758 2637 5274 7911 9083 15822 18166 25933 27249 51866 54498 77799 81747 155598 163494 233397 245241 466794 490482 700191 803923 1400382 1607846 2411769 4823538 7235307 7598369 14470614 15196738 21705921 22795107 43411842 45590214 68385321 136770642 205155963 235549439 410311926 471098878 706648317 1413296634 2119944951 4239889902 6359834853 12719669706