Search a number
-
+
4291108887 = 313144776039
BaseRepresentation
bin1111111111000101…
…0010000000010111
3102002001110220202210
43333301102000113
532242010441022
61545445204503
7211223552352
oct37761220027
912061426683
104291108887
11190224568a
129b9100733
135350285b0
142c9c91299
151a1ac9a0c
hexffc52017

4291108887 has 16 divisors (see below), whose sum is σ = 6165931520. Its totient is φ = 2638822752.

The previous prime is 4291108879. The next prime is 4291108973. The reversal of 4291108887 is 7888011924.

It is not a de Polignac number, because 4291108887 - 23 = 4291108879 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4291108837) 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 15 ways as a sum of consecutive naturals, for example, 18414 + ... + 94452.

It is an arithmetic number, because the mean of its divisors is an integer number (385370720).

Almost surely, 24291108887 is an apocalyptic number.

4291108887 is a deficient number, since it is larger than the sum of its proper divisors (1874822633).

4291108887 is a wasteful number, since it uses less digits than its factorization.

4291108887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77502.

The product of its (nonzero) digits is 258048, while the sum is 48.

The square root of 4291108887 is about 65506.5560612066. The cubic root of 4291108887 is about 1625.0117726327.

The spelling of 4291108887 in words is "four billion, two hundred ninety-one million, one hundred eight thousand, eight hundred eighty-seven".

Divisors: 1 3 13 39 1447 4341 18811 56433 76039 228117 988507 2965521 110028433 330085299 1430369629 4291108887