Search a number
-
+
4999889247 = 323257928097
BaseRepresentation
bin1001010100000010…
…00100000101011111
3110220110011200122020
410222001010011133
540214432423442
62144044551223
7234621233403
oct45201040537
913813150566
104999889247
112136341881
12b76552513
13618b20362
14356073103
151e3e339ec
hex12a04415f

4999889247 has 16 divisors (see below), whose sum is σ = 6959312640. Its totient is φ = 3186985472.

The previous prime is 4999889239. The next prime is 4999889287. The reversal of 4999889247 is 7429889994.

It is a cyclic number.

It is not a de Polignac number, because 4999889247 - 23 = 4999889239 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (69).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4999889287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163903 + ... + 191999.

It is an arithmetic number, because the mean of its divisors is an integer number (434957040).

Almost surely, 24999889247 is an apocalyptic number.

4999889247 is a deficient number, since it is larger than the sum of its proper divisors (1959423393).

4999889247 is a wasteful number, since it uses less digits than its factorization.

4999889247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30702.

The product of its digits is 94058496, while the sum is 69.

The square root of 4999889247 is about 70709.8949723446. The cubic root of 4999889247 is about 1709.9633209191.

The spelling of 4999889247 in words is "four billion, nine hundred ninety-nine million, eight hundred eighty-nine thousand, two hundred forty-seven".

Divisors: 1 3 23 69 2579 7737 28097 59317 84291 177951 646231 1938693 72462163 217386489 1666629749 4999889247