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118427013 = 32131100447
BaseRepresentation
bin1110000111100…
…00110110000101
322020211201022200
413003300312011
5220304131023
615430145113
72635420155
oct703606605
9266751280
10118427013
1160937a71
12337b2199
131b6c5c73
1411a2a765
15a5e4743
hex70f0d85

118427013 has 12 divisors (see below), whose sum is σ = 172368768. Its totient is φ = 78347880.

The previous prime is 118427011. The next prime is 118427017. The reversal of 118427013 is 310724811.

It is not a de Polignac number, because 118427013 - 21 = 118427011 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118427011) 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 11 ways as a sum of consecutive naturals, for example, 49045 + ... + 51402.

It is an arithmetic number, because the mean of its divisors is an integer number (14364064).

Almost surely, 2118427013 is an apocalyptic number.

It is an amenable number.

118427013 is a deficient number, since it is larger than the sum of its proper divisors (53941755).

118427013 is a wasteful number, since it uses less digits than its factorization.

118427013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100584 (or 100581 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 27.

The square root of 118427013 is about 10882.4176082339. The cubic root of 118427013 is about 491.0777513157.

The spelling of 118427013 in words is "one hundred eighteen million, four hundred twenty-seven thousand, thirteen".

Divisors: 1 3 9 131 393 1179 100447 301341 904023 13158557 39475671 118427013