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802010117 is a prime number
BaseRepresentation
bin101111110011011…
…011010000000101
32001220010100001102
4233303123100011
53120303310432
6211325505445
725605654626
oct5763332005
92056110042
10802010117
11381794087
121a4712285
13ca207acc
147872da4d
154a622962
hex2fcdb405

802010117 has 2 divisors, whose sum is σ = 802010118. Its totient is φ = 802010116.

The previous prime is 802010087. The next prime is 802010129. The reversal of 802010117 is 711010208.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 785736961 + 16273156 = 28031^2 + 4034^2 .

It is a cyclic number.

It is not a de Polignac number, because 802010117 - 210 = 802009093 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (802010017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 401005058 + 401005059.

It is an arithmetic number, because the mean of its divisors is an integer number (401005059).

Almost surely, 2802010117 is an apocalyptic number.

It is an amenable number.

802010117 is a deficient number, since it is larger than the sum of its proper divisors (1).

802010117 is an equidigital number, since it uses as much as digits as its factorization.

802010117 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 112, while the sum is 20.

The square root of 802010117 is about 28319.7831382940. The cubic root of 802010117 is about 929.0946278115.

Subtracting from 802010117 its reverse (711010208), we obtain a palindrome (90999909).

The spelling of 802010117 in words is "eight hundred two million, ten thousand, one hundred seventeen".