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66014129 is a prime number
BaseRepresentation
bin1111101111010…
…0101110110001
311121012212100202
43323310232301
5113344423004
610314524545
71431053006
oct373645661
9147185322
1066014129
1134299435
121a136755
13108a451c
148aa58ad
155bdeb1e
hex3ef4bb1

66014129 has 2 divisors, whose sum is σ = 66014130. Its totient is φ = 66014128.

The previous prime is 66014089. The next prime is 66014161. The reversal of 66014129 is 92141066.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57760000 + 8254129 = 7600^2 + 2873^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-66014129 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (66014929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33007064 + 33007065.

It is an arithmetic number, because the mean of its divisors is an integer number (33007065).

Almost surely, 266014129 is an apocalyptic number.

It is an amenable number.

66014129 is a deficient number, since it is larger than the sum of its proper divisors (1).

66014129 is an equidigital number, since it uses as much as digits as its factorization.

66014129 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 66014129 is about 8124.9079379400. The cubic root of 66014129 is about 404.1528377219.

The spelling of 66014129 in words is "sixty-six million, fourteen thousand, one hundred twenty-nine".