Search a number
-
+
65800117 is a prime number
BaseRepresentation
bin1111101100000…
…0011110110101
311120210222210101
43323000132311
5113321100432
610310154101
71426202035
oct373003665
9146728711
1065800117
1134162669
121a052931
131082aca6
148a4b8c5
155b9b4e7
hex3ec07b5

65800117 has 2 divisors, whose sum is σ = 65800118. Its totient is φ = 65800116.

The previous prime is 65800109. The next prime is 65800123. The reversal of 65800117 is 71100856.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36650916 + 29149201 = 6054^2 + 5399^2 .

It is a cyclic number.

It is not a de Polignac number, because 65800117 - 23 = 65800109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65800177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32900058 + 32900059.

It is an arithmetic number, because the mean of its divisors is an integer number (32900059).

Almost surely, 265800117 is an apocalyptic number.

It is an amenable number.

65800117 is a deficient number, since it is larger than the sum of its proper divisors (1).

65800117 is an equidigital number, since it uses as much as digits as its factorization.

65800117 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 28.

The square root of 65800117 is about 8111.7271280536. The cubic root of 65800117 is about 403.7156222587.

The spelling of 65800117 in words is "sixty-five million, eight hundred thousand, one hundred seventeen".