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4728893861 = 47149367391
BaseRepresentation
bin1000110011101110…
…10011000110100101
3110012120020200212002
410121313103012211
534141044100421
62101124335045
7225120635366
oct43167230645
913176220762
104728893861
112007378a4a
12abb844485
135a4939463
1432c08db6d
151ca253b0b
hex119dd31a5

4728893861 has 8 divisors (see below), whose sum is σ = 4832815104. Its totient is φ = 4625110480.

The previous prime is 4728893857. The next prime is 4728893899. The reversal of 4728893861 is 1683988274.

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 4728893861 - 22 = 4728893857 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4728893797 and 4728893806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728893161) 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 7 ways as a sum of consecutive naturals, for example, 36476 + ... + 103866.

It is an arithmetic number, because the mean of its divisors is an integer number (604101888).

Almost surely, 24728893861 is an apocalyptic number.

It is an amenable number.

4728893861 is a deficient number, since it is larger than the sum of its proper divisors (103921243).

4728893861 is a wasteful number, since it uses less digits than its factorization.

4728893861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68931.

The product of its digits is 4644864, while the sum is 56.

The square root of 4728893861 is about 68766.9532624501. The cubic root of 4728893861 is about 1678.4942409734.

The spelling of 4728893861 in words is "four billion, seven hundred twenty-eight million, eight hundred ninety-three thousand, eight hundred sixty-one".

Divisors: 1 47 1493 67391 70171 3167377 100614763 4728893861