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4685682161 is a prime number
BaseRepresentation
bin1000101110100100…
…11101010111110001
3110002112221022112202
410113102131113301
534044013312121
62052542232545
7224054432636
oct42722352761
913075838482
104685682161
111a94a443a6
12aa9285755
135989b9ac4
1432644218d
151c656a40b
hex11749d5f1

4685682161 has 2 divisors, whose sum is σ = 4685682162. Its totient is φ = 4685682160.

The previous prime is 4685682151. The next prime is 4685682167. The reversal of 4685682161 is 1612865864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4600230625 + 85451536 = 67825^2 + 9244^2 .

It is a cyclic number.

It is not a de Polignac number, because 4685682161 - 222 = 4681487857 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4685682167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2342841080 + 2342841081.

It is an arithmetic number, because the mean of its divisors is an integer number (2342841081).

Almost surely, 24685682161 is an apocalyptic number.

It is an amenable number.

4685682161 is a deficient number, since it is larger than the sum of its proper divisors (1).

4685682161 is an equidigital number, since it uses as much as digits as its factorization.

4685682161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 552960, while the sum is 47.

The square root of 4685682161 is about 68452.0427817899. The cubic root of 4685682161 is about 1673.3660056644.

The spelling of 4685682161 in words is "four billion, six hundred eighty-five million, six hundred eighty-two thousand, one hundred sixty-one".