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118668301 = 174168161
BaseRepresentation
bin1110001001010…
…11110000001101
322021021222022021
413010223300031
5220334341201
615435250141
72640443503
oct704536015
9267258267
10118668301
1160a92284
12338a9951
131b77ba3b
1411a90673
15a640ea1
hex712bc0d

118668301 has 4 divisors (see below), whose sum is σ = 118738204. Its totient is φ = 118598400.

The previous prime is 118668283. The next prime is 118668307. The reversal of 118668301 is 103866811.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103866811 = 186755633.

It can be written as a sum of positive squares in 2 ways, for example, as 36312676 + 82355625 = 6026^2 + 9075^2 .

It is a cyclic number.

It is not a de Polignac number, because 118668301 - 29 = 118667789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118668307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32340 + ... + 35821.

It is an arithmetic number, because the mean of its divisors is an integer number (29684551).

Almost surely, 2118668301 is an apocalyptic number.

It is an amenable number.

118668301 is a deficient number, since it is larger than the sum of its proper divisors (69903).

118668301 is an equidigital number, since it uses as much as digits as its factorization.

118668301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69902.

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 118668301 is about 10893.4981066690. The cubic root of 118668301 is about 491.4110389768.

The spelling of 118668301 in words is "one hundred eighteen million, six hundred sixty-eight thousand, three hundred one".

Divisors: 1 1741 68161 118668301