Base | Representation |
---|---|
bin | 110111001000110101… |
… | …1011000010011011001 |
3 | 102022122001220000220011 |
4 | 1232101223120103121 |
5 | 3414444443410144 |
6 | 130221310201521 |
7 | 11361156652330 |
oct | 1562153302331 |
9 | 368561800804 |
10 | 118408185049 |
11 | 46242373a80 |
12 | 1ab467b32a1 |
13 | b22048902b |
14 | 5a33b82d17 |
15 | 3130371a34 |
hex | 1b91ad84d9 |
118408185049 has 32 divisors (see below), whose sum is σ = 148044672000. Its totient is φ = 92004763200.
The previous prime is 118408185013. The next prime is 118408185061. The reversal of 118408185049 is 940581804811.
It is not a de Polignac number, because 118408185049 - 213 = 118408176857 is a prime.
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 118408184993 and 118408185011.
It is not an unprimeable number, because it can be changed into a prime (118408185349) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 75370434 + ... + 75372004.
It is an arithmetic number, because the mean of its divisors is an integer number (4626396000).
Almost surely, 2118408185049 is an apocalyptic number.
It is an amenable number.
118408185049 is a deficient number, since it is larger than the sum of its proper divisors (29636486951).
118408185049 is a wasteful number, since it uses less digits than its factorization.
118408185049 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3741.
The product of its (nonzero) digits is 368640, while the sum is 49.
The spelling of 118408185049 in words is "one hundred eighteen billion, four hundred eight million, one hundred eighty-five thousand, forty-nine".
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