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4685784161 = 19246620219
BaseRepresentation
bin1000101110100101…
…10110010001100001
3110002120010111110112
410113102312101201
534044030043121
62052544341105
7224055336212
oct42722662141
913076114415
104685784161
111a95003aa3
12aa9314795
13598a24366
1432646b409
151c658a75b
hex1174b6461

4685784161 has 4 divisors (see below), whose sum is σ = 4932404400. Its totient is φ = 4439163924.

The previous prime is 4685784157. The next prime is 4685784193. The reversal of 4685784161 is 1614875864.

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.

It is a cyclic number.

It is not a de Polignac number, because 4685784161 - 22 = 4685784157 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4685784121) 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, 123310091 + ... + 123310128.

It is an arithmetic number, because the mean of its divisors is an integer number (1233101100).

Almost surely, 24685784161 is an apocalyptic number.

It is an amenable number.

4685784161 is a deficient number, since it is larger than the sum of its proper divisors (246620239).

4685784161 is a wasteful number, since it uses less digits than its factorization.

4685784161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246620238.

The product of its digits is 1290240, while the sum is 50.

The square root of 4685784161 is about 68452.7878248943. The cubic root of 4685784161 is about 1673.3781477666.

The spelling of 4685784161 in words is "four billion, six hundred eighty-five million, seven hundred eighty-four thousand, one hundred sixty-one".

Divisors: 1 19 246620219 4685784161