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4688486657 = 61472916253
BaseRepresentation
bin1000101110111010…
…01010000100000001
3110002202012210120222
410113131022010001
534100223033112
62053122312425
7224120323211
oct42735120401
913082183528
104688486657
111a9658a468
12aaa1b8715
1359945c47a
14326972241
151c6921372
hex11774a101

4688486657 has 8 divisors (see below), whose sum is σ = 4766648040. Its totient is φ = 4610367360.

The previous prime is 4688486617. The next prime is 4688486687. The reversal of 4688486657 is 7566848864.

It can be written as a sum of positive squares in 4 ways, for example, as 80928016 + 4607558641 = 8996^2 + 67879^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 4688486657 - 28 = 4688486401 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4688486657.

It is not an unprimeable number, because it can be changed into a prime (4688486617) 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 7 ways as a sum of consecutive naturals, for example, 280343 + ... + 296595.

It is an arithmetic number, because the mean of its divisors is an integer number (595831005).

Almost surely, 24688486657 is an apocalyptic number.

It is an amenable number.

4688486657 is a deficient number, since it is larger than the sum of its proper divisors (78161383).

4688486657 is a wasteful number, since it uses less digits than its factorization.

4688486657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21043.

The product of its digits is 61931520, while the sum is 62.

The square root of 4688486657 is about 68472.5248329576. The cubic root of 4688486657 is about 1673.6997893155.

The spelling of 4688486657 in words is "four billion, six hundred eighty-eight million, four hundred eighty-six thousand, six hundred fifty-seven".

Divisors: 1 61 4729 16253 288469 991433 76860437 4688486657