Search a number
-
+
4785505947 = 331011754861
BaseRepresentation
bin1000111010011110…
…10000011010011011
3110100111202220001000
410131033100122123
534300042142242
62110510000043
7226406062245
oct43517203233
913314686030
104785505947
1120363254a2
12b167a6023
135b359b331
143357c9095
151d01d7a4c
hex11d3d069b

4785505947 has 16 divisors (see below), whose sum is σ = 7159836960. Its totient is φ = 3158748000.

The previous prime is 4785505939. The next prime is 4785505973. The reversal of 4785505947 is 7495055874.

4785505947 is a `hidden beast` number, since 47 + 8 + 5 + 5 + 0 + 594 + 7 = 666.

It is not a de Polignac number, because 4785505947 - 23 = 4785505939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4785505893 and 4785505902.

It is not an unprimeable number, because it can be changed into a prime (4785500947) 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, 874704 + ... + 880157.

It is an arithmetic number, because the mean of its divisors is an integer number (447489810).

Almost surely, 24785505947 is an apocalyptic number.

4785505947 is a deficient number, since it is larger than the sum of its proper divisors (2374331013).

4785505947 is a wasteful number, since it uses less digits than its factorization.

4785505947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1754971 (or 1754965 counting only the distinct ones).

The product of its (nonzero) digits is 7056000, while the sum is 54.

The square root of 4785505947 is about 69177.3514020304. The cubic root of 4785505947 is about 1685.1657357369.

The spelling of 4785505947 in words is "four billion, seven hundred eighty-five million, five hundred five thousand, nine hundred forty-seven".

Divisors: 1 3 9 27 101 303 909 2727 1754861 5264583 15793749 47381247 177240961 531722883 1595168649 4785505947