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268143097 is a prime number
BaseRepresentation
bin11111111101110…
…00100111111001
3200200120002011211
433332320213321
51022121034342
642335123121
76434115205
oct1776704771
9620502154
10268143097
111283a5972
12759734a1
1343725871
142787db05
1518819c17
hexffb89f9

268143097 has 2 divisors, whose sum is σ = 268143098. Its totient is φ = 268143096.

The previous prime is 268143061. The next prime is 268143119. The reversal of 268143097 is 790341862.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 207676921 + 60466176 = 14411^2 + 7776^2 .

It is a cyclic number.

It is not a de Polignac number, because 268143097 - 223 = 259754489 is a prime.

It is not a weakly prime, because it can be changed into another prime (268143047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 134071548 + 134071549.

It is an arithmetic number, because the mean of its divisors is an integer number (134071549).

Almost surely, 2268143097 is an apocalyptic number.

It is an amenable number.

268143097 is a deficient number, since it is larger than the sum of its proper divisors (1).

268143097 is an equidigital number, since it uses as much as digits as its factorization.

268143097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 268143097 is about 16375.0754807421. The cubic root of 268143097 is about 644.8453023228.

The spelling of 268143097 in words is "two hundred sixty-eight million, one hundred forty-three thousand, ninety-seven".