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4678621305 = 35311908087
BaseRepresentation
bin1000101101101111…
…00001100001111001
3110002001122120212120
410112313201201321
534040211340210
62052131031453
7223640424231
oct42667414171
913061576776
104678621305
111a90a61486
12aa6a3b589
135973b6c97
14325524cc1
151c5b23270
hex116de1879

4678621305 has 8 divisors (see below), whose sum is σ = 7485794112. Its totient is φ = 2495264688.

The previous prime is 4678621303. The next prime is 4678621309. The reversal of 4678621305 is 5031268764.

4678621305 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 4678621305 - 21 = 4678621303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4678621303) 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, 155954029 + ... + 155954058.

It is an arithmetic number, because the mean of its divisors is an integer number (935724264).

Almost surely, 24678621305 is an apocalyptic number.

It is an amenable number.

4678621305 is a deficient number, since it is larger than the sum of its proper divisors (2807172807).

4678621305 is a wasteful number, since it uses less digits than its factorization.

4678621305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311908095.

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 4678621305 is about 68400.4481344969. The cubic root of 4678621305 is about 1672.5250511820.

The spelling of 4678621305 in words is "four billion, six hundred seventy-eight million, six hundred twenty-one thousand, three hundred five".

Divisors: 1 3 5 15 311908087 935724261 1559540435 4678621305