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4688642145 = 351128416013
BaseRepresentation
bin1000101110111011…
…10000000001100001
3110002202111200212210
410113131300001201
534100243022040
62053125512333
7224121541425
oct42735600141
913082450783
104688642145
111a96686270
12aaa2726a9
135994b5185
143269b2b85
151c6952480
hex117770061

4688642145 has 16 divisors (see below), whose sum is σ = 8183812032. Its totient is φ = 2273280960.

The previous prime is 4688642137. The next prime is 4688642159. The reversal of 4688642145 is 5412468864.

4688642145 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4688642145 - 23 = 4688642137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4688642094 and 4688642103.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14207842 + ... + 14208171.

It is an arithmetic number, because the mean of its divisors is an integer number (511488252).

Almost surely, 24688642145 is an apocalyptic number.

It is an amenable number.

4688642145 is a deficient number, since it is larger than the sum of its proper divisors (3495169887).

4688642145 is a wasteful number, since it uses less digits than its factorization.

4688642145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28416032.

The product of its digits is 1474560, while the sum is 48.

The square root of 4688642145 is about 68473.6602278570. The cubic root of 4688642145 is about 1673.7182911887.

The spelling of 4688642145 in words is "four billion, six hundred eighty-eight million, six hundred forty-two thousand, one hundred forty-five".

Divisors: 1 3 5 11 15 33 55 165 28416013 85248039 142080065 312576143 426240195 937728429 1562880715 4688642145