Search a number
-
+
15680112806 = 222373504719
BaseRepresentation
bin11101001101001101…
…11000100010100110
31111110202220021001202
432212212320202212
5224103102102211
611111531122502
71063365521411
oct164646704246
944422807052
1015680112806
116717018916
1230572a3432
13162b714477
14a8a6a2b78
1561b8a953b
hex3a69b88a6

15680112806 has 8 divisors (see below), whose sum is σ = 23530690080. Its totient is φ = 7836549448.

The previous prime is 15680112779. The next prime is 15680112817. The reversal of 15680112806 is 60821108651.

15680112806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 15680112806.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1747886 + ... + 1756833.

It is an arithmetic number, because the mean of its divisors is an integer number (2941336260).

Almost surely, 215680112806 is an apocalyptic number.

15680112806 is a deficient number, since it is larger than the sum of its proper divisors (7850577274).

15680112806 is a wasteful number, since it uses less digits than its factorization.

15680112806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506958.

The product of its (nonzero) digits is 23040, while the sum is 38.

The spelling of 15680112806 in words is "fifteen billion, six hundred eighty million, one hundred twelve thousand, eight hundred six".

Divisors: 1 2 2237 4474 3504719 7009438 7840056403 15680112806