Search a number
-
+
3852974656217 is a prime number
BaseRepresentation
bin111000000100010111001…
…011111000101011011001
3111122100012102120101021002
4320010113023320223121
51001111343002444332
612110010534354345
7545240206131011
oct70042713705331
914570172511232
103852974656217
111256045823795
125228954bb9b5
1321c4458c8cab
14d46b0a78c41
156a358615562
hex381172f8ad9

3852974656217 has 2 divisors, whose sum is σ = 3852974656218. Its totient is φ = 3852974656216.

The previous prime is 3852974656183. The next prime is 3852974656303. The reversal of 3852974656217 is 7126564792583.

3852974656217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3691704947161 + 161269709056 = 1921381^2 + 401584^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-3852974656217 is a prime.

It is not a weakly prime, because it can be changed into another prime (3852974656417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1926487328108 + 1926487328109.

It is an arithmetic number, because the mean of its divisors is an integer number (1926487328109).

Almost surely, 23852974656217 is an apocalyptic number.

It is an amenable number.

3852974656217 is a deficient number, since it is larger than the sum of its proper divisors (1).

3852974656217 is an equidigital number, since it uses as much as digits as its factorization.

3852974656217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 152409600, while the sum is 65.

The spelling of 3852974656217 in words is "three trillion, eight hundred fifty-two billion, nine hundred seventy-four million, six hundred fifty-six thousand, two hundred seventeen".