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4689120845 = 51815181349
BaseRepresentation
bin1000101110111111…
…00100111001001101
3110002210102000112102
410113133210321031
534100403331340
62053144044445
7224125604153
oct42737447115
913083360472
104689120845
111a96982992
12aaa463725
13599622026
14326a993d3
151c69e9215
hex1177e4e4d

4689120845 has 8 divisors (see below), whose sum is σ = 5658034200. Its totient is φ = 3730570560.

The previous prime is 4689120833. The next prime is 4689120871. The reversal of 4689120845 is 5480219864.

It can be written as a sum of positive squares in 4 ways, for example, as 49603849 + 4639516996 = 7043^2 + 68114^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4689120845 - 28 = 4689120589 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4689120845.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2589770 + ... + 2591579.

It is an arithmetic number, because the mean of its divisors is an integer number (707254275).

Almost surely, 24689120845 is an apocalyptic number.

It is an amenable number.

4689120845 is a deficient number, since it is larger than the sum of its proper divisors (968913355).

4689120845 is a wasteful number, since it uses less digits than its factorization.

4689120845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5181535.

The product of its (nonzero) digits is 552960, while the sum is 47.

The square root of 4689120845 is about 68477.1556433239. The cubic root of 4689120845 is about 1673.7752502297.

The spelling of 4689120845 in words is "four billion, six hundred eighty-nine million, one hundred twenty thousand, eight hundred forty-five".

Divisors: 1 5 181 905 5181349 25906745 937824169 4689120845