Search a number
-
+
4992171788 = 221773414291
BaseRepresentation
bin1001010011000111…
…00111111100001100
3110212220122121021102
410221203213330030
540210443444123
62143211322232
7234465521462
oct45143477414
913786577242
104992171788
112131a5060a
12b73a50378
1361734a706
14355024832
151e340c028
hex1298e7f0c

4992171788 has 12 divisors (see below), whose sum is σ = 9250200792. Its totient is φ = 2349257280.

The previous prime is 4992171763. The next prime is 4992171799. The reversal of 4992171788 is 8871712994.

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, 36707078 + ... + 36707213.

It is an arithmetic number, because the mean of its divisors is an integer number (770850066).

Almost surely, 24992171788 is an apocalyptic number.

It is an amenable number.

4992171788 is a deficient number, since it is larger than the sum of its proper divisors (4258029004).

4992171788 is a wasteful number, since it uses less digits than its factorization.

4992171788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73414312 (or 73414310 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 56.

The square root of 4992171788 is about 70655.3026177087. The cubic root of 4992171788 is about 1709.0830769278.

The spelling of 4992171788 in words is "four billion, nine hundred ninety-two million, one hundred seventy-one thousand, seven hundred eighty-eight".

Divisors: 1 2 4 17 34 68 73414291 146828582 293657164 1248042947 2496085894 4992171788