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118408194688 = 277132152003
BaseRepresentation
bin110111001000110101…
…1011010101010000000
3102022122001220112010011
41232101223122222000
53414444444212223
6130221310314304
711361160022410
oct1562153325200
9368561815104
10118408194688
1146242380243
121ab467b8994
13b220490534
145a33b86640
15313037480d
hex1b91adaa80

118408194688 has 32 divisors (see below), whose sum is σ = 269590088160. Its totient is φ = 50746368768.

The previous prime is 118408194683. The next prime is 118408194733. The reversal of 118408194688 is 886491804811.

118408194688 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×1184081946882 (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (118408194683) 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 in 3 ways as a sum of consecutive naturals, for example, 66075106 + ... + 66076897.

It is an arithmetic number, because the mean of its divisors is an integer number (8424690255).

Almost surely, 2118408194688 is an apocalyptic number.

It is an amenable number.

118408194688 is an abundant number, since it is smaller than the sum of its proper divisors (151181893472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

118408194688 is an equidigital number, since it uses as much as digits as its factorization.

118408194688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132152024 (or 132152012 counting only the distinct ones).

The product of its (nonzero) digits is 3538944, while the sum is 58.

The spelling of 118408194688 in words is "one hundred eighteen billion, four hundred eight million, one hundred ninety-four thousand, six hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896 132152003 264304006 528608012 925064021 1057216024 1850128042 2114432048 3700256084 4228864096 7400512168 8457728192 14801024336 16915456384 29602048672 59204097344 118408194688