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4938786667 = 12703388789
BaseRepresentation
bin1001001100101111…
…11110011101101011
3110202012012100122201
410212113332131223
540103312133132
62134023201031
7233246664643
oct44627763553
913665170581
104938786667
1121048a8581
12b59ba6177
13609278599
1434bcc9523
151dd8b42e7
hex1265fe76b

4938786667 has 4 divisors (see below), whose sum is σ = 4939188160. Its totient is φ = 4938385176.

The previous prime is 4938786659. The next prime is 4938786683. The reversal of 4938786667 is 7666878394.

It is a happy number.

4938786667 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4938786667 - 23 = 4938786659 is a prime.

It is a super-2 number, since 2×49387866672 = 48783227484273937778, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4938786599 and 4938786608.

It is not an unprimeable number, because it can be changed into a prime (4938786647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181692 + ... + 207097.

It is an arithmetic number, because the mean of its divisors is an integer number (1234797040).

Almost surely, 24938786667 is an apocalyptic number.

4938786667 is a deficient number, since it is larger than the sum of its proper divisors (401493).

4938786667 is a wasteful number, since it uses less digits than its factorization.

4938786667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401492.

The product of its digits is 73156608, while the sum is 64.

The square root of 4938786667 is about 70276.5015278934. The cubic root of 4938786667 is about 1702.9690522427.

The spelling of 4938786667 in words is "four billion, nine hundred thirty-eight million, seven hundred eighty-six thousand, six hundred sixty-seven".

Divisors: 1 12703 388789 4938786667