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113013289 is a prime number
BaseRepresentation
bin1101011110001…
…11001000101001
321212122200002101
412233013020221
5212412411124
615114133401
72541411544
oct657071051
9255580071
10113013289
115887a614
1231a21261
131a54ba8c
141101b85b
159dc5644
hex6bc7229

113013289 has 2 divisors, whose sum is σ = 113013290. Its totient is φ = 113013288.

The previous prime is 113013269. The next prime is 113013317. The reversal of 113013289 is 982310311.

It is an a-pointer prime, because the next prime (113013317) can be obtained adding 113013289 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78907689 + 34105600 = 8883^2 + 5840^2 .

It is an emirp because it is prime and its reverse (982310311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 113013289 - 225 = 79458857 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (113013209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56506644 + 56506645.

It is an arithmetic number, because the mean of its divisors is an integer number (56506645).

Almost surely, 2113013289 is an apocalyptic number.

It is an amenable number.

113013289 is a deficient number, since it is larger than the sum of its proper divisors (1).

113013289 is an equidigital number, since it uses as much as digits as its factorization.

113013289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 113013289 is about 10630.7708563396. The cubic root of 113013289 is about 483.4777638390.

The spelling of 113013289 in words is "one hundred thirteen million, thirteen thousand, two hundred eighty-nine".