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128067113 is a prime number
BaseRepresentation
bin1111010001000…
…10011000101001
322220222111001102
413220202120221
5230241121423
620412531145
73113360336
oct750423051
9286874042
10128067113
1166321799
1236a80ab5
13206bca75
141301998d
15b39ac28
hex7a22629

128067113 has 2 divisors, whose sum is σ = 128067114. Its totient is φ = 128067112.

The previous prime is 128067109. The next prime is 128067131. The reversal of 128067113 is 311760821.

Together with next prime (128067131) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127870864 + 196249 = 11308^2 + 443^2 .

It is an emirp because it is prime and its reverse (311760821) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 128067113 - 22 = 128067109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (128067193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 64033556 + 64033557.

It is an arithmetic number, because the mean of its divisors is an integer number (64033557).

Almost surely, 2128067113 is an apocalyptic number.

It is an amenable number.

128067113 is a deficient number, since it is larger than the sum of its proper divisors (1).

128067113 is an equidigital number, since it uses as much as digits as its factorization.

128067113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 128067113 is about 11316.6741138905. The cubic root of 128067113 is about 504.0564848615.

The spelling of 128067113 in words is "one hundred twenty-eight million, sixty-seven thousand, one hundred thirteen".