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65255222255281 is a prime number
BaseRepresentation
bin11101101011001011010100…
…10101111001111010110001
322120001100010122012112222221
432311211222111321322301
532023120143344132111
6350441500225401041
716513351145163442
oct1665455225717261
9276040118175887
1065255222255281
1119879647843573
12739aa95a99181
132a5470590a306
1412185262c92c9
157826887e8371
hex3b596a579eb1

65255222255281 has 2 divisors, whose sum is σ = 65255222255282. Its totient is φ = 65255222255280.

The previous prime is 65255222255231. The next prime is 65255222255299. The reversal of 65255222255281 is 18255222255256.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57880385863056 + 7374836392225 = 7607916^2 + 2715665^2 .

It is a cyclic number.

It is not a de Polignac number, because 65255222255281 - 221 = 65255220158129 is a prime.

It is a super-2 number, since 2×652552222552812 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65255222255231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32627611127640 + 32627611127641.

It is an arithmetic number, because the mean of its divisors is an integer number (32627611127641).

Almost surely, 265255222255281 is an apocalyptic number.

It is an amenable number.

65255222255281 is a deficient number, since it is larger than the sum of its proper divisors (1).

65255222255281 is an equidigital number, since it uses as much as digits as its factorization.

65255222255281 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9600000, while the sum is 52.

The spelling of 65255222255281 in words is "sixty-five trillion, two hundred fifty-five billion, two hundred twenty-two million, two hundred fifty-five thousand, two hundred eighty-one".