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4706981809 = 23204651383
BaseRepresentation
bin1000110001000111…
…01101011110110001
3110011001000110011121
410120203231132301
534114441404214
62055022542241
7224433454015
oct43043553661
913131013147
104706981809
111aa5a72112
12ab4437981
135a023694a
143291c8545
151c8376424
hex1188ed7b1

4706981809 has 4 divisors (see below), whose sum is σ = 4911633216. Its totient is φ = 4502330404.

The previous prime is 4706981801. The next prime is 4706981821. The reversal of 4706981809 is 9081896074.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9081896074 = 24540948037.

It is a cyclic number.

It is not a de Polignac number, because 4706981809 - 23 = 4706981801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4706981801) 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 3 ways as a sum of consecutive naturals, for example, 102325669 + ... + 102325714.

It is an arithmetic number, because the mean of its divisors is an integer number (1227908304).

Almost surely, 24706981809 is an apocalyptic number.

It is an amenable number.

4706981809 is a deficient number, since it is larger than the sum of its proper divisors (204651407).

4706981809 is a wasteful number, since it uses less digits than its factorization.

4706981809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204651406.

The product of its (nonzero) digits is 870912, while the sum is 52.

The square root of 4706981809 is about 68607.4471832322. The cubic root of 4706981809 is about 1675.8977065413.

The spelling of 4706981809 in words is "four billion, seven hundred six million, nine hundred eighty-one thousand, eight hundred nine".

Divisors: 1 23 204651383 4706981809