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65313071 is a prime number
BaseRepresentation
bin1111100100100…
…1100100101111
311112220020200122
43321021210233
5113210004241
610251515155
71422103055
oct371114457
9145806618
1065313071
113395a74a
1219a58abb
13106ba3b5
1489621d5
155b0204b
hex3e4992f

65313071 has 2 divisors, whose sum is σ = 65313072. Its totient is φ = 65313070.

The previous prime is 65313049. The next prime is 65313109. The reversal of 65313071 is 17031356.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65313071 - 210 = 65312047 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 65313071.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65313011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32656535 + 32656536.

It is an arithmetic number, because the mean of its divisors is an integer number (32656536).

Almost surely, 265313071 is an apocalyptic number.

65313071 is a deficient number, since it is larger than the sum of its proper divisors (1).

65313071 is an equidigital number, since it uses as much as digits as its factorization.

65313071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 65313071 is about 8081.6502646427. The cubic root of 65313071 is about 402.7170666664.

The spelling of 65313071 in words is "sixty-five million, three hundred thirteen thousand, seventy-one".