Search a number
-
+
47726966785 = 522760536947
BaseRepresentation
bin101100011100101111…
…111011100000000001
311120012011201010020111
4230130233323200001
51240221100414120
633531522311321
73306501344521
oct543457734001
9146164633214
1047726966785
11192716a0603
1292bb7b8541
134667b7a064
14244a8c1681
15139504d75a
hexb1cbfb801

47726966785 has 16 divisors (see below), whose sum is σ = 57542446656. Its totient is φ = 38001621568.

The previous prime is 47726966773. The next prime is 47726966789. The reversal of 47726966785 is 58766962774.

47726966785 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 47726966785 - 217 = 47726835713 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47726966785.

It is not an unprimeable number, because it can be changed into a prime (47726966789) 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, 6866682 + ... + 6873628.

It is an arithmetic number, because the mean of its divisors is an integer number (3596402916).

Almost surely, 247726966785 is an apocalyptic number.

It is an amenable number.

47726966785 is a deficient number, since it is larger than the sum of its proper divisors (9815479871).

47726966785 is a wasteful number, since it uses less digits than its factorization.

47726966785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13232.

The product of its digits is 213373440, while the sum is 67.

The spelling of 47726966785 in words is "forty-seven billion, seven hundred twenty-six million, nine hundred sixty-six thousand, seven hundred eighty-five".

Divisors: 1 5 227 1135 6053 6947 30265 34735 1374031 1576969 6870155 7884845 42050191 210250955 9545393357 47726966785